def standoff(thickness):
"""
Stackable, gluable 3D printable standoff connector w/pivot axis.
"""
global standnumber
OT = (0, 0, 0)
OQ = (0, 0, 1, 0)
OP = (OT, OQ)
peg_height = 5.5
clearance = 3.2
base = solid.cylinder(r=4, h=thickness, segments = 100)
conn = solid.cylinder(r=1.9, h=peg_height, segments = 100)
#wtf??? can't get z axis on Joint to work, no matter what I put it just
#defaults to 0, so I'm going to orient everything at the origin.
anchor = Joint((0,0, -100),Z_JOINT_POSE[1],name="A")
b_placed = solid.translate([0,0,-thickness])(base)
unit = b_placed+ conn - solid.translate([0,0,-(clearance+ thickness)])(conn)
pm = PolyMesh(generator = unit)
stand = Body(
pose = OP,
joints = [anchor],
elts = [Layer(pm, name="lol", color = 'yellow')],
name = 'standoff'+str(standnumber)
)
standnumber = standnumber + 1
return stand, b_placed
def connector():
"""
Connector 2.0!!! comes in two better sized segments, now with indent!
"""
global pinnumber
OT = (0, 0, 0)
OQ = (0, 0, 1, 0)
OP = (OT, OQ)
base = solid.cylinder(r=4, h = 4, segments = 100)
conn = solid.cylinder(r = 1.9, h = 8, segments = 100 )
#8.2
anchor = Joint(
((0, 0, 8),Z_JOINT_POSE[1]),
name="pin"
)
bottom = base+ solid.translate([0,0,4])(conn)
cap = solid.translate([0,0,4+6.4])(base)
dimple_cap = cap - bottom
p1 = PolyMesh(generator = bottom)
p2 = PolyMesh(generator = dimple_cap)
#p1.save("pin.stl")
#p2.save("cap.stl")
poly = p1+p2
pin = Body(
pose = OP,
joints = [anchor],
elts = [Layer(poly, name='lol', color = 'blue')],
name = 'coupler'+str(pinnumber)
)
pinnumber = pinnumber + 1
return pin
def locked_offset():
global locked_count
name = "locked_" + str(locked_count)
locked_count +=1
j_name = "locked_joint_" + str(locked_count)
thickness = 6 #span 2 layers
peg_height = 3.2
clearance = 3.2
base = solid.cylinder(r=1.9, h=thickness, segments = 100)
conn1 = solid.cube([4/math.sqrt(2),4/math.sqrt(2),3],center=True)
conn2 = solid.cube([4/math.sqrt(2),4/math.sqrt(2),3],center=True)
#wtf??? can't get z axis on Joint to work, no matter what I put it just
#defaults to 0, so I'm going to orient everything at the origin.
b_placed = solid.translate([0,0,3])(base)
unit = b_placed + solid.translate([0,0,1.5])(conn1) + solid.translate([0,0,10.5])(conn2)
pm = PolyMesh(generator = unit)
pm.save("lock.stl")
j1 = Joint(
((0, 0, 12),NZ_JOINT_POSE[1]), #9
name=j_name
)
OT = (0, 0, 0)
OQ = (0, 0, 1, 0)
OP = (OT, OQ)
layers=Layer(
pm,
name="lol",
color='blue'
)
b = Body(pose=OP, elts=[layers],
joints=[j1], name=name)
return b, name, j_name
def strunk(): c1 = solid.cylinder(r= 15, h = 70) c2 = solid.translate([9,0,0])(solid.cylinder(r=15, h= 70)) m1 = solid.translate([0,-15,0])(solid.cube([9,30,70])) total = join_list([c1,c2,m1]) total = solid.translate([0,0,84])(total) return total
def spacerMaker(radius, right, out, spacer, name):
s = solid.rotate(a = [-90, 0, 0])\
(solid.cylinder(r=outerD/2, h=spacer, segments = 20))
s1 = solid.rotate(a = [90, 0, 0])\
(solid.cylinder(r=innerD/2, h=3*spacer, segments = 20, center=True))
s = solid.difference()(s, s1)
"""s1 = solid.rotate(a = [90, 0, 0])\
(solid.cylinder(r=innerD/2, h=2*border, segments = 20))
s1 = solid.translate(v = [0, spacer+2*border, 0])(s1)
s = s + s1"""
if not out:
s = solid.translate(v = [0, -spacer, 0])(s)
off = radius - width
else:
off = radius
s = solid.translate(v = [0, off, 0])(s)
if right:
s = solid.rotate(a = [0, 0, -90])(s)
s = PolyMesh(generator=s)
s.save("heliodon/spacer" + name +".stl")
return s
def sarms(): hand = solid.sphere(r=4) arm = solid.translate([0,0,4])( solid.cylinder(r=4, h = 68)) shoulder = solid.translate([0,0,72])( solid.sphere(r=4)) a1 = hand+arm+shoulder a2 = solid.translate([50,0,70])(a1) a1 = solid.translate([-40,0,70])(a1) a1 = solid.rotate([0,10,0])(a1) a2 = solid.rotate([0,-10,0])(a2) return a1+a2
def ssupport(): arch1 ,thet1, rad1= circle_arch(30.0, 5.0, 3) arch1 = solid.translate([14,-28/2,0])(solid.rotate([0,0, -thet1/2])(arch1)) arch2 = solid.translate([0,0,1])(arch1) arch3 = solid.translate([0,0,-1])(arch1) arch1 = join_list([arch1, arch2, arch3]) pillar1 = solid.rotate([0,90,0])(solid.cylinder(r=2, h=35) ) pillar1 = pillar1 - solid.translate([-1,0,-3])(solid.cube([37,4, 8])) pillar2 = solid.rotate([180,0,0])(solid.translate([0,28])(pillar1)) return join_list([arch1, pillar1, pillar2])
def create_shaft_connector():
"""
Oriented relative to the shaft that will be driven at the origin in
the +Z direction.
TODO: Consider refactoring into mechanism with joint at O.
"""
mount_plate = solid.cylinder(r = 10, h= 3)
shaft = solid.translate([-2,-2,0])(solid.cube([4,4,20]))
shifted_shaft = solid.translate([0,0,3])(shaft)
total = mount_plate+shaft
pl = PolyMesh(generator=total)
return pl
def plane_make_part3D(self, thepart, pconfig):
self.generate_part3D(thepart, pconfig)
# for cutout in thepart.cutouts3D:
# for c in cutout:
# thepart.border3D = thepart.border3D - c
subparts = []
for sp in thepart.parts:
if hasattr(sp, 'subpart') and sp.subpart:
self.make_part3D(sp, pconfig)
if hasattr(sp, 'border3D'):
subparts.append(sp.border3D)
if len(subparts):
if hasattr(thepart, 'border3D'):
thepart.border3D=solid.union()(thepart.border3D,*subparts)
else:
thepart.border3D=solid.union()(*subparts)
if not hasattr(thepart, 'border3D'):
return False
cutouts = [thepart.border3D]
for cutout in thepart.cutouts3D:
for c in cutout:
cutouts.append(c)
thepart.border3D = solid.difference()(*cutouts)
# 3D transformations can only be applied to parts, so we can just go up the tree
p = thepart
c=0
print p
while(p and type(p) is not Plane):# and (c==0 or not p.renderable() )):
p.rotations_to_3D()
if hasattr(p, 'transform') and p.transform is not None and p.transform is not False:
print p.transform
if 'matrix3D' in p.transform:
if type(p.transform['matrix3D'][0]) is list or type(p.transform['matrix3D'][0]) is Vec:
thepart.border3D=solid.translate([-p.transform['matrix3D'][0][0], -p.transform['matrix3D'][0][1],-p.transform['matrix3D'][0][2]])(thepart.border3D)
thepart.border3D=solid.multmatrix(m=p.transform['matrix3D'][1])(thepart.border3D)
thepart.border3D=solid.translate([p.transform['matrix3D'][0][0], p.transform['matrix3D'][0][1],p.transform['matrix3D'][0][2]])(thepart.border3D)
else:
thepart.border3D=solid.multmatrix(m=p.transform['matrix3D'])(thepart.border3D)
if 'rotate3D' in p.transform:
if type(p.transform['rotate3D'][0]) is list or type(p.transform['rotate3D'][0]) is Vec:
thepart.border3D=solid.translate([-p.transform['rotate3D'][0][0], -p.transform['rotate3D'][0][1],-p.transform['rotate3D'][0][2]])(thepart.border3D)
thepart.border3D=solid.rotate([p.transform['rotate3D'][1][0], p.transform['rotate3D'][1][1],p.transform['rotate3D'][1][2] ])(thepart.border3D)
thepart.border3D=solid.translate([p.transform['rotate3D'][0][0], p.transform['rotate3D'][0][1],p.transform['rotate3D'][0][2]])(thepart.border3D)
else:
thepart.border3D=solid.rotate([p.transform['rotate3D'][0], p.transform['rotate3D'][1],p.transform['rotate3D'][2] ])(thepart.border3D)
if 'translate3D' in p.transform:
thepart.border3D=solid.translate([p.transform['translate3D'][0], p.transform['translate3D'][1],p.transform['translate3D'][2] ])(thepart.border3D)
c+=1
p=p.parent
def rasp_pi(): base = solid.color([0,.7,.1])(solid.cube([8.5,5.5,.1])) metal = t55_to_1([209,209,209]) yellow = t55_to_1([255, 188, 60]) ether = solid.translate([-0.1,3.9,0])(solid.cube([2.1,1.6,1.4])) ether = solid.color(metal)(ether) usb = solid.cube([1.7,1.3,1.5]) usb = solid.translate([-.7,1.9,0])(solid.color(metal)(usb)) audio = solid.cube([1.2, 1.5, 1.2]) audio = solid.translate([1.5,-.5,0])(solid.color([0,0,0])(audio)) tv = solid.cube([1,1.9,1.5]) tv = solid.translate([3.4,-.8,0])(solid.color(yellow)(tv)) hdmi = solid.cube([1.5,1.1,.9]) hdmi = solid.translate([3.4,4.6,0])(solid.color(metal)(hdmi)) gpio = solid.cube([3.2,.4,1.2]) gpio = solid.translate([5.3,.1,0])(solid.color([0,0,0])(gpio)) sdcard = solid.cube([1.8,2.9,.4]) sdcard = solid.translate([6.7, 1.6, -.4])(solid.color([0,0,0])(sdcard)) musb = solid.cube([.5,.7,.3]) musb = solid.translate([7.9, 4.5, 0])(solid.color([0,0,0])(musb)) out = [base, ether, usb, audio, tv, hdmi, gpio, sdcard, musb] return join_list(out)
def scaffold(length, color=[0, 0, 1, 1]):
h = solid.translate([diameter / 2.0, 0, length / 2.0])(
solid.scale([diameter, diameter, length])(
solid.cube(center=True)
)
) + solid.translate([0, 0, length / 2.0])(
solid.scale([center_notch + tool_radius * 2,
center_notch, length])(
solid.cube(center=True)
)
)
# scale & move in Z to ensure overlap
h = solid.translate([0, 0, -(length * .1)/2.0])(solid.scale([1, 1, 1.1])(h))
return solid.color(color)(h)
def genAsOpenscad(self): """Generates zebrafish geometry as solid python object. Useful if geometry is used to be passed to openscad. Returns: solid.solidpython.openscad_object: Solid python object. """ outerBall=solid.translate([self.center[0],self.center[1],-self.outerRadius])(solid.sphere(r=self.outerRadius)) innerBall=solid.translate([self.center[0],self.center[1],-self.outerRadius-self.centerDist])(solid.sphere(r=self.innerRadius)) return outerBall-innerBall
def planar_slice_3d(mesh, slice_args, slice_width=1):
(plane, offset) = slice_args
slice_gen = sl.linear_extrude(slice_width)(plane.get_generator())
slice_gen = sl.translate(offset)(slice_gen)
slice = PolyMesh(generator=slice_gen)
intersection = slice.intersected(mesh)
return intersection
def assemble_chair(polygons, tf_xyz_rpy, t=3.0):
""" Create a 3D rendering of a chair from part outlines.
Args:
polygons ([PolyLine]): list of PolyLines representing the outlines of the chair parts
tf_xyz_rpy ([[x,y,z][r,p,y]]): List of transformations as x,y,z offsets and roll, pitch,
yaw rotations in degrees
t (int): material thickness
Returns:
A list of PolyMeshes, with one PolyMesh per input polygon, transformed by corresponding
tf input
"""
polys = []
for (p, r) in zip(polygons, tf_xyz_rpy):
translation, rotation = r
solid_p = p.get_generator()
thick_p = sl.linear_extrude(t)(solid_p)
rotated_p = sl.rotate(rotation)(thick_p)
translated_p = sl.translate(translation)(rotated_p)
poly = PolyMesh(generator=translated_p)
polys.append(poly)
return polys
def create_crank_shaft(save = False):
"""
Oriented relative to the shaft that will be driven at the origin in
the +Z direction.
"""
global shaft_count
name = "shaft_" + str(shaft_count)
j_name = "shaft_joint_" + str(shaft_count)
mount_plate = solid.cylinder(r = 10, h= 3)
shaft = solid.cube([4/math.sqrt(2),4/math.sqrt(2),6], center = True)
shifted_shaft = solid.translate([0,0,3])(shaft)
total = mount_plate+shaft
pl = PolyMesh(generator=total)
if save:
pl.save("crank.stl")
j1 = Joint(
((0, 0, 0),Z_JOINT_POSE[1]),
name=j_name
)
OT = (0, 0, 0)
OQ = (0, 0, 1, 0)
OP = (OT, OQ)
layers=Layer(
pl,
name="lol",
color='blue'
)
b = Body(pose=OP, elts=[layers],
joints=[j1], name=name)
return b, name, j_name
def create_support_bar(jt, offset):
"""
create a support bar to the point from the origin XY plane
account for default klann spacing for now.
plan on gluing two segments with acetone
"""
((dx,dy,dz),_) = jt.pose
placed_base = solid.translate([0,0,-offset])(solid.cylinder(r = 4, h = offset))
clevis_pin = solid.translate([0,0,-(offset+5.5)])(solid.cylinder(r=1.9, h = 5.5,segments=300))
total = placed_base + clevis_pin
translated = solid.translate([dx,dy,dz])(total)
pl = PolyMesh(generator=translated)
attach = PolyMesh(generator = solid.translate([dx,dy,dz])(placed_base))
return pl, attach
def viz(self,position):
"""
Generates a OpenScad model to visualize the sun position
"""
## Generating the hemisphere ##
starting_sphere = solid.sphere(self.r, segments= 64)
box_sub = solid.utils.down(((self.r * 2 + 10)/2))(solid.cube((self.r * 2 + 10), center= True))
hemisphere = starting_sphere - box_sub
hemisphere = PolyMesh(generator= hemisphere).simplified()
#hemisphere = (solid.utils.color([0.75,0.75,0.75,0.1]))(hemisphere.get_generator()) #this sucks...need to do this way in order do render
#hemisphere = PolyMesh(generator= hemisphere)
## Generate the sphere for the sun ##
sun_sphere = solid.sphere(5, segments= 64)
vector = position
sun_sphere = (solid.translate(vector))(sun_sphere)
sun_sphere = PolyMesh(generator= sun_sphere).simplified()
L1 = Layer(hemisphere, name= "hem", color=[200,200,200,1000])
L2 = Layer(sun_sphere, name="sun", color='yellow')
B1 = Block([L1, L2])
return B1.show(is_2d= False)
def combine_shapes(shapes):
"""
Transform and combine shapes as in all_shapes below using OpenSCAD
generators and functions.
Args:
shapes = (open_pl, squarcle_pl, star_pl)
Retruns:
A single PolyLine with transformed and combined geometry
"""
open_pl, squarcle_pl, star_pl = shapes
small_open_pl = solid.scale(0.5)( open_pl.get_generator() )
trans_squarcle_pl = solid.translate([0,50])( squarcle_pl.get_generator() )
trans_rot_star_pl = solid.translate([50,175])( solid.rotate(numpy.pi/2)( star_pl.get_generator() ) )
combined = (small_open_pl + trans_squarcle_pl + trans_rot_star_pl)
return PolyLine(generator=combined)
def single_slice(index):
for slice_num, (lower, upper) in enumerate(slice_parameters()):
if slice_num == index:
return solid.translate([0, 0, upper - lower])(
solid.rotate([0, 180, 0])(
solid.union()(*produce_slice(lower, upper))
))
raise Exception("Non-existent slice %i, max: %i!" % (index, slice_num))
def create_servo_mount():
"""
right now designed to fit Jacobs institute model
"""
width = 6.5
length = 20.0
depth = 2.3
voffset = -18.5 - 9
left_bar = solid.cube([width,length,depth], center = True)
hole = solid.cylinder(r=2,h=10, center =True,segments = 100)
hole1 = solid.translate([0,4,0])(hole)
hole2 = solid.translate([0,-4,0])(hole)
left_bar = solid.difference()(left_bar, hole1)
left_bar = solid.difference()(left_bar, hole2)
right_bar = solid.cube([width,length,depth],center = True)
right_bar = solid.difference()(right_bar, hole1)
right_bar = solid.difference()(right_bar, hole2)
left_spread = -30.0
right_spread = 17.0
left_bar = solid.translate([left_spread, 0,-(depth/2 + voffset)])(left_bar)
right_bar = solid.translate([right_spread, 0 , -(depth/2+voffset)])(right_bar)
connector = solid.cube([(right_spread - left_spread) + width,width,depth],center=True)
placed_connector = solid.translate([(left_spread+right_spread)/2,-(length/2 +width/2), -(depth/2+voffset)])(connector)
total_mount = left_bar + placed_connector + right_bar
pl = PolyMesh(generator= total_mount)
attach_point1 = PolyMesh(generator =solid.translate([width, 0,0])(right_bar))
attach_point2 = PolyMesh(generator =solid.translate([-width, 0,0])(left_bar))
return pl, attach_point1, attach_point2
def conic_section(theta): line = solid.polygon(points = [[0,0],[50,50],[49.9,50],[0,.1]]) cone = solid.rotate_extrude( convexity = 20)(line) plane = solid.translate([0,0,5])(solid.cube([50,50,.1],center = True)) plane = solid.rotate([0,theta,0])(plane) section = solid.rotate([0,-1*theta, 0])(solid.intersection()(cone, plane)) return section
def rampSide(leng, wide, high, transl, rotat):
'''Return a bar of specified length, width, height, except with ends
ramping at 45 degrees at one end, -45 at other. Is like a rampBar
rotated +/- 90 degrees about the x axis. Parameters: First four as
for rampBar. rotat: +/- 90 for amount of rotation about the x axis.
'''
# x-axis rotate below exchanges hi, wide - next two lines compensate.
tcorr = [0,0,-wide] if rotat>0 else [0,-high,0]
s = rotate([rotat,0,0])(rampBar(leng, high, wide, tcorr))
return translate(transl)(s)
def sunk_hole(r=1, length=10):
"""
Hole from below into z=0 plane. Countersunk: larger diameter at beginning, for easier insertion.
:param r: Default: r=1 for M2.3 screws
:param length:
:return:
"""
hole = translate([0, 0, length / 2])(cylinder(r, h=length, center=True))
hole += cylinder(r1=2 * r, r2=r, h=1.4 * r, center=True)
return hole
def three_point_cicle(p0: Point2,
p1: Point2,
p2: Point2,
radius_adjustment=0,
segments=100):
center = _circle_center_by_three_points(p0, p1, p2)
radius = ((center[0] - p0[0])**2 + (center[1] - p0[1])**2)**0.5
return solid.translate(
(center[0], center[1], 0))(solid.circle(radius + radius_adjustment,
segments=segments))
def full_cone():
cylinders = []
for slice_num, (lower, upper) in enumerate(slice_parameters()):
cylinders.extend(produce_slice(lower, upper, mdf_strength * slice_num))
return solid.translate([0, 0, cone_length])(
solid.rotate([0, 180, 0])(
solid.union()(*cylinders)
)
)
def double_plate():
plate_height = (sa_double_length - mount_height) / 3
# plate_height = (2*sa_length-mount_height) / 3
top_plate = sl.cube([mount_width, plate_height, web_thickness],
center=True)
top_plate = sl.translate([
0, (plate_height + mount_height) / 2,
plate_thickness - (web_thickness / 2)
])(top_plate)
return sl.union()(top_plate, sl.mirror([0, 1, 0])(top_plate))
def rationalize_segment(seg,joints,name, state= {}, is_locked = False):
p1 = seg
p2 = seg
if type(seg) != Point:
p1 = seg.p1
p2 = seg.p2
buff = 6
thickness = 3
p1x = p1.x.evalf(subs=state)
p1y = p1.y.evalf(subs=state)
p2x = p2.x.evalf(subs=state)
p2y = p2.y.evalf(subs=state)
c = solid.cylinder(r= buff, h =thickness, segments =100)
c1 = solid.translate([p1x, p1y, 0])(c)
c2 = solid.translate([p2x, p2y, 0])(c)
link = solid.hull()(c1,c2)
OT = (0, 0, 0)
OQ = (0, 0, 1, 0)
OP = (OT, OQ)
pm = PolyMesh(generator=link)
for joint in joints:
if is_locked:
pm = square_neg(pm,joint)
else:
pm = clevis_neg(pm,joint)
if "conn" in name:
#this is a connector joint
pm = add_servo_mount(pm)
layers=Layer(
pm,
name="lol",
color='green'
)
link_body = Body(pose=OP, elts=[layers],
joints=joints, name=name)
return link_body
def wire_post(direction, offset):
s1 = sl.cube(
[wire_post_diameter, wire_post_diameter, wire_post_height], center=True
)
s1 = sl.translate([0, -wire_post_diameter * 0.5 * direction, 0])(s1)
s2 = sl.cube(
[wire_post_diameter, wire_post_overhang, wire_post_diameter], center=True
)
s2 = sl.translate(
[0, -wire_post_overhang * 0.5 * direction, -wire_post_height / 2]
)(s2)
shape = sl.union()(s1, s2)
shape = sl.translate([0, -offset, (-wire_post_height / 2) + 3])(shape)
shape = sl.rotate(-alpha / 2, [1, 0, 0])(shape)
shape = sl.translate([3, -mount_height / 2, 0])(shape)
return shape
def usb_holder_hole():
shape = sl.cube(usb_holder_size, center=True)
shape = sl.translate(
[
usb_holder_position[0],
usb_holder_position[1],
(usb_holder_size[2] + usb_holder_thickness) / 2,
]
)(shape)
return shape
def projection():
p = outer_projection(3.1)
horn_button = sp.translate((-18, 15))(sp.square(cherry_mx_cutout,
center=True))
headlight_button = sp.translate((-18, -15))(sp.square(cherry_mx_cutout,
center=True))
light_switch = sp.translate((0, -15))(sp.circle(d=switch_diameter,
segments=32))
gear_select_switch = sp.translate((18, 15))(sp.circle(d=switch_diameter,
segments=32))
display_button = sp.translate((18, -15))(sp.square(cherry_mx_cutout,
center=True))
return p - horn_button - headlight_button - light_switch - gear_select_switch - display_button
def test_transform_equivalent(self) -> None:
original_connector = connector.Connector(
point=vector.Vector.from_raw([1, 1, 1]),
axis=vector.Vector.from_raw([0, 0, 1]),
normal=vector.Vector.from_raw([1, 0, 0]),
)
self.assertEqual(
original_connector.rotate(solid.rotate(a=[90, 90, 90])).translate(
solid.translate([1, 1, 1])).scale(solid.scale([2, 2, 2])),
original_connector.transform([
solid.rotate(a=90, v=[1, 0, 0]),
solid.rotate(a=90, v=[0, 1, 0]),
solid.rotate(a=90, v=[0, 0, 1]),
solid.translate([1, 1, 1]),
solid.scale([2, 2, 2]),
]),
msg=
"Transform should accept & correctly dispatch multiple transformations",
)
def splanter():
bucket = solid.cylinder( r= 8, h= 9)- solid.translate([0,0,2])(solid.cylinder(r=7, h=9))
hole = solid.cylinder(r=.5, h= 2)
bottom_holes = []
for i in range(10):
for j in range(10):
x= 2*i-7
y= 2*j - 7
if x**2 + y**2<(6.5)**2:
bottom_holes+=[solid.translate([x,y,-1])(hole)]
bucket -= join_list(bottom_holes)
wall_holes = []
wallh = solid.translate([7,0,1.5])(solid.rotate([0,90,0])(hole))
for i in range(12):
wall_holes += [solid.rotate([0,0,i*30])(wallh)]
wall_ho = join_list(wall_holes)
bucket -= wall_ho
bucket -= solid.translate([0,0,2])(solid.rotate([0,0,15])(wall_ho))
bucket = solid.color("SaddleBrown")(bucket)
return bucket
def rect2scad(rect, height, z_start = 0.0, mirrored = False):
"""
Convert a Rectangle into an openscad cube by giving it a height and Z start
"""
scad_cube = sc.translate([rect.left(), rect.bot(), z_start])(
sc.cube([rect.width, rect.height, height])
)
if mirrored:
return sc.scale([1,1,-1])(scad_cube)
else:
return scad_cube
def base_rods30(rod_sep=30, z_length=10):
"""base for attaching to two parallel rods of 6mm diameter set 30mm apart."""
mount_height = 10 # height (y) of mount
single_clamp = translate((rod_sep / 2, 0, 0))(single_rod_clamp(z_length))
base = single_clamp + mirror((1, 0, 0))(single_clamp)
r_arc = (rod_sep**2 - 20**2)**.5 # TODO hardcoded
arc_width = rod_sep + 10 - 6 * 3 # TODO r*diam_hole of single_rod_clamp
arc = cube((arc_width, mount_height, z_length), center=True)
arc -= translate(
(0, -r_arc + mount_height / 4, 0))(cylinder(r=r_arc,
h=4 * z_length,
center=True))
base += arc
base = translate((0, -20 - mount_height / 2, 0))(base)
return base
def main(params: Params):
profile = utils.profile_with_screws(params)
cutout = None
if params.cutout_depth > 0:
cutout = s.linear_extrude(params.depth)(s.square(
[params.interface_width, params.cutout_depth]))
if cutout is not None:
cutout_x = params.screw_spacing * 2 + params.screw_head_radius * 2
cutout_y1 = 0
cutout_y2 = params.height - params.cutout_depth
profile = s.difference()(
profile,
s.translate([cutout_x, cutout_y1])(cutout),
s.translate([cutout_x, cutout_y2])(cutout),
)
return profile
def base(width, length, height):
left = side(length)
right = translate((width, 0, 0))(
mirror((1, 0, 0))(left)
)
center = translate((width/2-0.75, 0, 0))(
translate((0, 1.5, 0))(cube((1.5, length-3, 1.375)))
+ translate((0, 0, 1.375))(cube((1.5, length, 1.375)))
)
foot = end(width)
head = translate((0, length, 0))(
mirror((0, 1, 0))(foot)
)
return union()(
end_color(head),
end_color(foot),
side_color(left),
side_color(right),
side_color(center),
)
def arc(radius):
a = solid.difference()(
solid.cylinder(r=radius, h=thick, segments=48), solid.cylinder(r=radius-width, h=thick, segments=48))
a = solid.intersection()(a, solid.cube([radius, radius, thick]))
a = solid.difference()(a,
solid.translate(v=[.75*outerD, radius-width/2, 0])
(solid.cylinder(r=bolt/2, h=2*thick, segments=20, center=True)))
a = solid.difference()(a,
solid.translate(v=[radius-width/2, .75*outerD, width/2.0])
(solid.cylinder(r=bolt/2, h=2*thick, segments=20, center=True)))
c = solid.translate(v=[radius-width/2, 0, 0])\
(solid.cylinder(r=bolt/2, h=2*thick, segments=20, center=True))
# Add bolt holes for fastening the two sheets of acryllic together
for step in range(1,3):
a = solid.difference()(a, solid.rotate(a = [0,0, step * 30])(c))
PolyLine(generator = solid.projection()(a)).save("heliodon/a" + str(radius) + ".dxf")
return PolyMesh(generator=a)
def rampBar(leng, wide, high, transl):
'''Return a bar of specified length, width, height, except with ends
ramping up at 45 degrees at one end, -45 at other, in a plane
rotated about y axis. Parameters: leng, wide, high give x,y,z
sizes. transl = 3-vector with x,y,z distances to translate the
origin-corner of the bar.
'''
s2 = sqrt(2)
cu = cube([leng, wide, high])
box = rotate(a=[0,-45,0])(back(wide)((cube([s2*high, 3*wide, s2*high]))))
return translate(transl)(cu-box-right(leng)(box))
def vertices_shape(self, idxs=[0, 1, 2, 3], rotate=True):
verts = []
for idx in idxs:
vert = self.vertices[idx]
color = self.vert_colors[idx]
shape = sl.cube([1,1,self.thickness], center=True)
if rotate:
for rot in self.rotations:
shape = rot.rotate(shape)
verts.append(sl.color(color)(sl.translate(vert)(shape)))
return verts
def test_transform_dispatch_translation(self) -> None:
holonomic_transformable = MockHolonomicTransformable()
translation = solid.translate([21.0, 22.0, 23.0])
holonomic_transformable.transform(translation)
self.assertEqual(
holonomic_transformable._translations,
[translation],
msg="Translation should be correctly dispatched",
)
def bearing(bearing_type: str = '624') -> OpenSCADObject:
dims = bearing_dimensions[bearing_type.lower()]
outerR = dims['outer_d'] / 2
innerR = dims['inner_d'] / 2
thickness = dims['thickness']
bearing = cylinder(outerR, thickness)
bearing.add_param('$fs', 1)
hole = cylinder(innerR, thickness + 2)
hole.add_param('$fs', 1)
bearing = difference()(bearing, translate([0, 0, -1])(hole))
return bearing
def box(width, height, depth, half=False, topbox=False):
obj = sp.part()
left = sp.cube([thickness, depth, height])
right = left.copy()
right = spu.right(width - thickness)(right)
obj += left + right
top = sp.cube([width - 2 * thickness, depth, thickness])
top = spu.right(thickness)(top)
if (half):
ha = spu.up(height / 2 - thickness / 2)(top)
obj += ha
h = sp.cylinder(holes / 2, thickness + 10)
top -= sp.translate([50, 50, 0])(h)
top -= sp.translate([width - 50, 50, 0])(h)
top -= sp.translate([width - 50, depth - 50, 0])(h)
top -= sp.translate([50, depth - 50, 0])(h)
bottom = top
top = spu.up(height - thickness)(top)
obj += top + bottom
if (not topbox):
sta = sp.cube([width * 3 / 4, thickness, 100])
sta = sp.rotate([0, -45, 0])(sta)
cutout = sp.cube([width, depth, height])
cutout = spu.down(height / 4)(spu.left(width / 4)(cutout))
cutout -= spu.back(5)(sp.cube(
[width / 2 - thickness, depth + 10, height / 2 - thickness]))
sta -= spu.back(depth / 2)(cutout)
sta = spu.right(thickness)(sta)
sta += spu.right(width)(sp.mirror([1, 0, 0])(sta))
sta += sp.mirror([0, 0, 1])(sta)
sta = spu.forward(depth - thickness)(sta)
obj += (spu.up(height / 2)(sta) - ha)
if (half and topbox):
window = sp.cube(
[width - 2 * thickness, thickness, height / 2 - 1.5 * thickness])
window = sp.translate([thickness, 0, thickness])(window)
obj += spu.up(height / 2 - thickness / 2)(window)
return obj
def thing(d=27.9, h=10, width=16, width_hole=10.2, z=0, X=45):
center = solid.cube(size=(width, width, h), center=True) - solid.hole()(
solid.cube(size=(width_hole, width_hole, h * 2), center=True))
axis_base = solid.cube(size=(d, width_hole / 2, h), center=True)
axis_1 = solid.rotate(a=X)(axis_base)
axis_2 = solid.rotate(a=-X)(axis_base)
outer_cylinder = solid.cylinder(d=d, h=h, center=True, segments=256)
ret = (center + axis_1 + axis_2) * outer_cylinder
return solid.translate(v=(0, 0, z + h / 2))(ret)
def bseat():
d = B_d
h = B_h + 0.001
tmp = chamfers.mcad_chamfered_cylinder(h, internal=False)(
sp.cylinder(d=d, h=h),
chamfers.mcad_chamfer_cylinder(diameter=d,
length=None,
angle=30,
depth=1,
internal=False))
tmp = sp.translate([0, 0, h - 0.001])(sp.rotate([180, 0, 0])(tmp))
return tmp
def getOblongArm(self):
'''Return a SolidPython object modeling an oblong arm (per specs in
ArmParams object) bounded by four arcs of circles. '''
eps = 0.01
p, q, s, t, u, w = self.p, self.q, self.s, self.t, self.u, self.w
r1, r2 = p - s, q - t
domis, chi, dhi = 2 * max(r1, r2), 1.1, -0.05
arc1 = back(r1 + s)(cylinder(r=r1, h=1))
arc2 = back(q - r2)(cylinder(r=r2, h=1))
rl, vl, p1, p2 = self.solveArcArc(p, q, s, t, u)
rr, vr, p3, p4 = self.solveArcArc(p, q, s, t, w)
rightcircle = color(Green)(translate([u, -vl, dhi])(cylinder(r=rl,
h=chi)))
leftcircle = color(Red)(translate([w, -vr, dhi])(cylinder(r=rr,
h=chi)))
yrhi, yrlo, ylhi, yllo = p1[1], p2[1], p3[1], p4[1]
xr, xl = min(p1[0], p2[0]), max(p3[0], p4[0])
dominol = translate([xl - domis, -yllo,
dhi])(cube([domis, yllo - ylhi, chi]))
dominor = translate([xr, -yrlo, dhi])(cube([domis, yrlo - yrhi, chi]))
return (arc1 * arc2 - dominol - dominor) + rightcircle + leftcircle
def bottom_hull(p, height=0.001):
shape = None
for item in p:
proj = sl.projection()(p)
t_shape = sl.linear_extrude(height=height, twist=0, convexity=0, center=True)(
proj
)
t_shape = sl.translate([0, 0, height / 2 - 10])(t_shape)
if shape is None:
shape = t_shape
shape = sl.hull()(p, shape, t_shape)
return shape
def plot_space(dict, tl): path_labels = sorted(dict.keys()) path_count = len(path_labels) out =[] for i in range(path_count): color = t55_to_1( colorout2(i,path_count) ) for j in range(len(dict[path_labels[i]])): x = dict[path_labels[i]][j][0]*tl y = dict[path_labels[i]][j][1]*tl z = j*tl out += [solid.color(color)(solid.translate([x,y,z])(solid.cube([tl,tl,1])))] return out
def create_upper_case():
p0 = switches.get_switch_position((0, 3)) + Point2(-0.5, 0.5)
p1 = switches.get_switch_position((2, 3)) + Point2(-0.5, 0.5)
p2 = switches.get_switch_position((4, 3)) + Point2(0.5, 0.5)
case = utils.three_point_cicle(p0,
p1,
p2,
radius_adjustment=-1.5 * mm,
segments=1000)
# cut left edge
case = case * sc.translate(
(utils.big_cutter_length - 0.5, 0, 0))(utils.big_cutter_square)
# cut right edge
case = case * sc.translate(
(-utils.big_cutter_length + 4.5, 0, 0))(utils.big_cutter_square)
# cut buttom edge
_, buttom_left_switch_y = switches.get_switch_position((0, 1))
case = case * sc.translate(
(0, utils.big_cutter_length + buttom_left_switch_y - 0.5, 0))(
utils.big_cutter_square)
return case
def create_offset():
"""
Oriented relative to the shaft that will be driven at the origin in
the +Z direction.
TODO: Consider refactoring into mechanism with joint at O.
"""
global offset_count
name = "offset_" + str(offset_count)
offset_count +=1
j_name = "offset_joint_" + str(offset_count)
thickness = 6 #span 2 layers
peg_height = 5.5
clearance = 3.2
base = solid.cylinder(r=4, h=thickness, segments = 100)
conn = solid.cylinder(r=1.9, h=peg_height, segments = 100)
#wtf??? can't get z axis on Joint to work, no matter what I put it just
#defaults to 0, so I'm going to orient everything at the origin.
b_placed = solid.translate([0,0,-thickness])(base)
unit = b_placed+ conn - solid.translate([0,0,-(clearance+ thickness)])(conn)
pm = PolyMesh(generator = unit)
pm.save("offset.stl")
j1 = Joint(
((0, 0, 0),NZ_JOINT_POSE[1]),
name=j_name
)
OT = (0, 0, 0)
OQ = (0, 0, 1, 0)
OP = (OT, OQ)
layers=Layer(
pm,
name="lol",
color='blue'
)
b = Body(pose=OP, elts=[layers],
joints=[j1], name=name)
return b, name, j_name
def cage_circumference(d_outer=80.5, wall_thick=2, h=10, assemble=None):
"""Circle to fit cage ends, e.g. to transport cage inside a cylindrical tube"""
d_inner = base.rods30_dist_third_rod + 7 # absolute diameter: contact to clips.
clamp = translate((0, 0, 5))(cage_3_clips(inside=True)) # bottom at z=0
circ_x_at_clamp = ((d_outer / 2)**2 - 30**2)**.5
back_face = cube((2 * circ_x_at_clamp, wall_thick, h), center=True)
back_face = translate((0, -30 + wall_thick / 2, h / 2))(back_face)
circle = cylinder(d=d_outer, h=h)
circle -= translate(
(0, 0,
wall_thick))(cylinder(d=d_outer - 2 * wall_thick,
h=2 * h)) # relative diameter: wall thickness
circle -= translate((0, 0, -2))(cylinder(d=d_inner, h=2 * h))
# clear space past -y of clamps, so that cage can rest against wall when used with hook.
helper_block_y = 30
circle -= translate((0, -20 - 10 - helper_block_y / 2, 0))(cube(
(100, helper_block_y, 100), center=True))
# add some holes to screw cage onto something
for angle_deg in (-30, 30, 150, 210):
hole_position = lambda obj: rotate(angle_deg)(translate(
(d_inner / 2, 0, 0))(obj))
circle += hole_position(cylinder(d=8, h=wall_thick))
circle -= hole_position(cylinder(d=3.2, h=2 * h, center=True))
return clamp + circle + back_face
def label(a_str: str,
width: float = 15,
halign: str = "left",
valign: str = "baseline",
size: int = 10,
depth: float = 0.5,
lineSpacing: float = 1.15,
font: str = "MgOpen Modata:style=Bold",
segments: int = 40,
spacing: int = 1) -> OpenSCADObject:
"""Renders a multi-line string into a single 3D object.
__author__ = 'NerdFever.com'
__copyright__ = 'Copyright 2018-2019 NerdFever.com'
__version__ = ''
__email__ = '*****@*****.**'
__status__ = 'Development'
__license__ = Copyright 2018-2019 NerdFever.com
"""
lines = a_str.splitlines()
texts = []
for idx, l in enumerate(lines):
t = text(text=l,
halign=halign,
valign=valign,
font=font,
spacing=spacing).add_param('$fn', segments)
t = linear_extrude(height=1)(t)
t = translate([0, -size * idx * lineSpacing, 0])(t)
texts.append(t)
result = union()(texts)
result = resize([width, 0, depth])(result)
result = translate([0, (len(lines) - 1) * size / 2, 0])(result)
return result
def makeGear(self, sg, ap):
'''Produce CSG for one gear. Parameter sg is None if this will be a
sun gear, else is the sun Gear object. Other data is in ap, a
GearAssembly object. '''
hh, h0, h1, h2, h3 = 0.1, 1, 1.1, 1.2, 1.3
nT, tLen, tRad = self.nT, (self.td - self.rd) * .3, self.rd / 2
asm = cylinder(d=self.rd, h=h2)
for i in range(nT):
tAngle = self.sma + 2 * i * pi / nT
c = rotate(tAngle * 180 / pi)(cube([tLen, tLen / (6 + i), h2]))
dx, dy = tRad * cos(tAngle), tRad * sin(tAngle)
asm += translate([dx, dy, 0])(c)
asm = color(Black)(asm) + color(Magenta)(cylinder(d=self.pd, h=h1))
centerHole = down(hh)(cylinder(d=ap.h / 10, h=h3))
asm = (asm + color(Green)(cylinder(d=self.td, h=h0))) - centerHole
if sg:
cDist = (sg.pd + self.pd) / 2
self.cx, self.cy = cDist * cos(self.loca), cDist * sin(self.loca)
return translate([self.cx, self.cy, 0])(asm)
else:
self.cx, self.cy = 0, 0
return asm
def wall_brace(place1, dx1, dy1, post1, place2, dx2, dy2, post2):
hulls = []
hulls.append(place1(post1))
hulls.append(place1(sl.translate(wall_locate1(dx1, dy1))(post1)))
hulls.append(place1(sl.translate(wall_locate2(dx1, dy1))(post1)))
hulls.append(place1(sl.translate(wall_locate3(dx1, dy1))(post1)))
hulls.append(place2(post2))
hulls.append(place2(sl.translate(wall_locate1(dx2, dy2))(post2)))
hulls.append(place2(sl.translate(wall_locate2(dx2, dy2))(post2)))
hulls.append(place2(sl.translate(wall_locate3(dx2, dy2))(post2)))
shape1 = sl.hull()(*hulls)
hulls = []
hulls.append(place1(sl.translate(wall_locate2(dx1, dy1))(post1)))
hulls.append(place1(sl.translate(wall_locate3(dx1, dy1))(post1)))
hulls.append(place2(sl.translate(wall_locate2(dx2, dy2))(post2)))
hulls.append(place2(sl.translate(wall_locate3(dx2, dy2))(post2)))
shape2 = bottom_hull(hulls)
return shape1 + shape2
def rounded_rect_extrude_func(prof, r, sizes):
edges = []
for i in range(4):
l = sizes[i % 2]
tx = [0, 0, 0]
if i == 0:
tx[1] = -r
if i == 1:
tx[0] = -sizes[1] + r
if i == 2:
tx[0] = -sizes[1]
tx[1] = -sizes[0] + r
if i == 3:
tx[0] = -r
tx[1] = -sizes[0]
edge = S.translate(tx)(S.rotate([90, 0, i * 90])(
S.linear_extrude(l - r * 2)(prof)))
edges.append(edge)
tx2 = list(tx)
if i == 0 or i == 3:
tx2[0] -= r
if i == 1:
tx2[1] -= r
if i == 2:
tx2[0] += r
if i == 3:
tx2[1] += r
tx2[0] += r
edges.append(
S.translate(tx2)(S.rotate([0, 0, i * 90])(S.rotate_extrude(90)(
S.translate([r, 0, 0])(prof)))))
obj = S.translate([sizes[1] / 2, sizes[0] / 2, 0])(S.union()(edges))
return obj
def produce_slice(lower, upper, outer_offset=0.0):
res = []
step = (upper - lower) / slice_steps
for i, f in enumerate(frange(lower, upper, step)):
r1 = cone_at(f)
r2 = cone_at(f + step)
offset = i * step + outer_offset
res.append(
solid.translate([0, 0, offset])(
solid.cylinder(h=step, r1=r1, r2=r2)
)
)
return res
def profile_with_screws(p: ProfileWithScrewsParams):
screw_y = p.screw_spacing + p.screw_head_radius
screw_x1 = screw_y
screw_x2 = p.screw_spacing * 3 + p.interface_width + p.screw_head_radius * 3
profile = roundrect([p.width, p.height], p.corner_radius)
body = s.linear_extrude(p.depth)(profile)
screw_holes = screws_with_padding(
p.screw_radius,
p.depth,
p.screw_head_radius,
p.screw_head_angle,
p.screw_spacing,
p.screws_per_side,
)
return s.difference()(
body,
s.translate([screw_x1, screw_y, 0])(screw_holes),
s.translate([screw_x2, screw_y, 0])(screw_holes),
)
def screws():
"""The screw holes that need to be applied to both halves"""
threads = []
for x in [0, IPAD_W + WALL * 1 + SLIP * 2 + INNER_WALL * 1 + WALL_PADDING]:
for y in [
30,
IPAD_H + WALL * 2 + SLIP * 2 + INNER_WALL + WALL_PADDING - 30
]:
threads.append(
translate([x, y,
BACK + IPAD_D / 2])(rotate([0, 90,
0])(screwthread())))
return union()(*threads)
def create_thumb_fan():
p0 = switches.get_switch_position((0, 0))
p1 = switches.get_switch_position((2, 0))
p2 = switches.get_switch_position((4, 0))
outer_cicle = utils.three_point_cicle(p0,
p1,
p2,
radius_adjustment=0.5,
segments=1000)
inner_cicle = utils.three_point_cicle(p0,
p1,
p2,
radius_adjustment=-0.5,
segments=1000)
ring = outer_cicle - inner_cicle
# rough cut left edge
ring = ring * sc.translate(
(utils.big_cutter_length + p0.x - 0.5 - 2.5 * mm, 0, 0))(
utils.big_cutter_square)
# rough cut right edge
ring = ring * sc.translate(
(0, utils.big_cutter_length - 3.5, 0))(utils.big_cutter_square)
# cut parallel to 1st and last switches
def create_cutter(addr, left_or_right_dir):
pos = switches.get_switch_position(addr)
pos = Point3(*pos, 0)
angle = switches.get_switch_angle(addr)
cutter = switches.create_switch(addr, size=1)
cutter = sc.translate(pos)(sc.scale(
(4, 4, 0))(sc.translate(pos * -1)(cutter)))
offset = utils.unit_point2(angle) * 2.5 * left_or_right_dir
cutter = sc.translate((*offset, 0))(cutter)
return cutter
ring = ring - (create_cutter(Point2(0, 0), -1))
ring = ring - (create_cutter(Point2(switches.thumb_fan_size - 1, 0), 1))
return ring
def example():
"""Run lab_0 example. Creates all_shapes.scad and all_shapes.dxf files.
Returns:
open, squarcle, and star PolyLines
"""
# Make an open PolyLine defined with points
open_pl = PolyLine([[0,0],[0,60],[100,0],[200,0]])
# Make an OpenSCAD generator
squarcle_gen = (
solid.square(50) +
solid.translate([50,25])(solid.circle(25)) -
solid.translate([20,15])(solid.text('S',size=20))
)
# Use the OpenSCAD generator to make a PolyLine
squarcle_pl = PolyLine(generator=squarcle_gen).simplified()
# Create star.dxf by saving a PolyLine
star().save('star.dxf')
# Load PolyLine from DXF file
star_pl = PolyLine(filename='star.dxf').simplified()
# Scale, translate and rotate PolyLines
small_open_pl = 0.5 * open_pl
trans_squarcle_pl = (0,50,0) * squarcle_pl
trans_rot_star_pl = (50,175,numpy.pi/2) * star_pl
# Combine the geometries and save them
all_shapes = small_open_pl + trans_squarcle_pl + trans_rot_star_pl
all_shapes.save('all_shapes.scad')
all_shapes.save('all_shapes.dxf')
return (open_pl, squarcle_pl, star_pl)