def pi_zero_backplate():
zero_plate = _zero_plate_base(support_height=ZERO_SUPPORT_HEIGHT_TOP, screw_offset=-.5)
camera_plate = utils.cube_chamfered([ADAPTER_SIDE,ADAPTER_SIDE,ZERO_PLATE_HEIGHT],center=True,r=3)
camera_plate = camera_plate + zero_plate
screw_obj = MachineScrew(type=ScrewType.M2_HEX,length=ZERO_PLATE_HEIGHT*2,clearance=0)
screw_bottom = rotate([180,0,0])(screw_obj())
screw_top = MachineScrew(type=ScrewType.M2_HEX,length=ZERO_PLATE_HEIGHT*2,overhang=True)()
camera_plate = solid.difference()(
camera_plate,
# Upper plate mount screws
translate((ADAPTER_SIDE/2-ADAPTER_HOLE_TO_SIDE,ADAPTER_SIDE/2-ADAPTER_HOLE_TO_SIDE,-ZERO_PLATE_HEIGHT/2))(screw_bottom),
translate((-ADAPTER_SIDE/2+ADAPTER_HOLE_TO_SIDE,ADAPTER_SIDE/2-ADAPTER_HOLE_TO_SIDE,-ZERO_PLATE_HEIGHT/2))(screw_bottom),
translate((ADAPTER_SIDE/2-ADAPTER_HOLE_TO_SIDE,-ADAPTER_SIDE/2+ADAPTER_HOLE_TO_SIDE,-ZERO_PLATE_HEIGHT/2))(screw_bottom),
translate((-ADAPTER_SIDE/2+ADAPTER_HOLE_TO_SIDE,-ADAPTER_SIDE/2+ADAPTER_HOLE_TO_SIDE,-ZERO_PLATE_HEIGHT/2))(screw_bottom),
# Lens ring mount screws
translate((0,CS_LENS_RING_NUT_OFFSET,-ZERO_PLATE_HEIGHT/2))(screw_bottom),
translate((0,-CS_LENS_RING_NUT_OFFSET,-ZERO_PLATE_HEIGHT/2))(screw_bottom),
# Pi mount screws
translate((ZERO_LENGTH/2-ZERO_SCREW_OFF,ZERO_WIDTH/2-ZERO_SCREW_OFF,-.5))(screw_top),
translate((ZERO_LENGTH/2-ZERO_SCREW_OFF,-ZERO_WIDTH/2+ZERO_SCREW_OFF,-.5))(screw_top),
translate((-ZERO_LENGTH/2+ZERO_SCREW_OFF,-ZERO_WIDTH/2+ZERO_SCREW_OFF,-.5))(screw_top),
translate((-ZERO_LENGTH/2+ZERO_SCREW_OFF,ZERO_WIDTH/2-ZERO_SCREW_OFF,-.5))(screw_top),
# flex cable opening
translate((ZERO_LENGTH/2-ZERO_PLATE_TO_EDGE/2,0,0))(cube([ZERO_PLATE_TO_EDGE,13,ZERO_PLATE_HEIGHT],center=True))
)
# flex cable cover
flex_cover = utils.cube_chamfered([ZERO_LENGTH,13,ZERO_PLATE_HEIGHT-1.5],center=True,r=3)
camera_plate += translate((10,0,0.75))(flex_cover)
camera_plate -= translate((ADAPTER_SIDE/2-1.5,0,0))(cube([3,13,ZERO_PLATE_HEIGHT],center=True))
camera_plate = rotate((180,0,0))(camera_plate)
return camera_plate
def pi_bplus_a_backplate(height=2.5):
support_height = 3
full_length = B_LENGTH
width = B_WIDTH
support_z = -support_height - height / 2
plate = utils.cube_chamfered([full_length, width, height],
center=True,
r=3)
screw_top = MachineScrew(type=ScrewType.M2_HEX,
length=support_height * 2,
overhang=True)()
support = solid.cylinder(d=6, h=support_height, center=False, segments=32)
screw_x = full_length / 2 - B_SCREW_OFF
plate = solid.union()(
plate,
translate((screw_x, width / 2 - B_SCREW_OFF, support_z))(support),
translate((screw_x, -width / 2 + B_SCREW_OFF, support_z))(support),
translate((screw_x - B_SCREW_DISTANCE_X, width / 2 - B_SCREW_OFF,
support_z))(support),
translate((screw_x - B_SCREW_DISTANCE_X, -width / 2 + B_SCREW_OFF,
support_z))(support),
)
plate = solid.difference()(
plate,
translate((screw_x, width / 2 - B_SCREW_OFF, 0))(screw_top),
translate((screw_x, -width / 2 + B_SCREW_OFF, 0))(screw_top),
translate((screw_x - B_SCREW_DISTANCE_X, -width / 2 + B_SCREW_OFF,
0))(screw_top),
translate((screw_x - B_SCREW_DISTANCE_X, width / 2 - B_SCREW_OFF,
0))(screw_top),
)
return plate
def pi_zero_frontplate(gpio_opening=True, flex_cover=True, support_height=3.7):
height = ZERO_PLATE_HEIGHT
plate = _zero_plate_base(support_height=support_height,
screw_offset=0,
height=height)
screw_obj = MachineScrew(type=ScrewType.M2_HEX,
length=height + support_height - 1,
clearance=-0.2)
screw = rotate([180, 0, 0])(screw_obj())
plate = solid.difference()(
plate,
translate(
(ZERO_LENGTH / 2 - ZERO_SCREW_OFF, ZERO_WIDTH / 2 - ZERO_SCREW_OFF,
-height / 2 - support_height))(screw),
translate((ZERO_LENGTH / 2 - ZERO_SCREW_OFF,
-ZERO_WIDTH / 2 + ZERO_SCREW_OFF,
-height / 2 - support_height))(screw),
translate((-ZERO_LENGTH / 2 + ZERO_SCREW_OFF,
-ZERO_WIDTH / 2 + ZERO_SCREW_OFF,
-height / 2 - support_height))(screw),
translate((-ZERO_LENGTH / 2 + ZERO_SCREW_OFF,
ZERO_WIDTH / 2 - ZERO_SCREW_OFF,
-height / 2 - support_height))(screw),
)
if flex_cover:
flex_cover = utils.cube_chamfered([ZERO_LENGTH, 13, ZERO_PLATE_HEIGHT],
center=True,
r=3)
plate += translate((10, 0, 0))(flex_cover)
if gpio_opening:
gpio_opening = translate(
(0, ZERO_WIDTH / 2 - GPIO_WIDTH / 2 - GPIO_OFFSET,
0))(solid.cube([GPIO_LENGTH, GPIO_WIDTH, height], center=True))
plate -= gpio_opening
return plate
def camera_flex_adapter():
plate = utils.cube_chamfered([ADAPTER_SIDE, ADAPTER_SIDE, ADAPTER_HEIGHT],
center=False,
r=3)
screw_hole = MachineScrew(type=ScrewType.M2_HEX,
length=ADAPTER_HEIGHT * 2,
overhang=True)()
screw_hole = rotate([180, 0, 0])(screw_hole)
plate -= translate(
(ADAPTER_HOLE_TO_SIDE, ADAPTER_HOLE_TO_SIDE, 1))(screw_hole())
plate -= translate(
(ADAPTER_SIDE - ADAPTER_HOLE_TO_SIDE, 4, 1))(screw_hole())
plate -= translate(
(4, ADAPTER_SIDE - ADAPTER_HOLE_TO_SIDE, 1))(screw_hole())
plate -= translate((ADAPTER_SIDE - ADAPTER_HOLE_TO_SIDE,
ADAPTER_SIDE - ADAPTER_HOLE_TO_SIDE, 1))(screw_hole())
camera_body = solid.cube([CAMERA_SIDE, CAMERA_SIDE, ADAPTER_HEIGHT + 0.1],
center=False)()
camera_body += translate(
(0, CAMERA_SIDE, ADAPTER_HEIGHT - 2))(cube([CAMERA_SIDE, 3.5, 2]))
camera_body += translate(((CAMERA_SIDE - 6) / 2, CAMERA_SIDE + 2,
ADAPTER_HEIGHT - 0.4))(cube([6, 16, 0.5]))
camera_body = translate(
(ADAPTER_SIDE / 2 - CAMERA_SIDE / 2,
ADAPTER_SIDE / 2 - CAMERA_SIDE / 2, 0))(camera_body)
plate -= camera_body
plate -= translate((ADAPTER_SIDE / 2 - CS_LENS_RING_NUT_OFFSET,
ADAPTER_SIDE / 2, -ADAPTER_HEIGHT / 2))(screw_hole)
plate -= translate((ADAPTER_SIDE / 2 + CS_LENS_RING_NUT_OFFSET,
ADAPTER_SIDE / 2, -ADAPTER_HEIGHT / 2))(screw_hole)
return plate
def pi_bplus_a_frontplate(height=2.5, gpio_opening=True):
support_height = 12
# This is basically only the aray from screw to screw, we only care about that area
length = B_SCREW_DISTANCE_X + 2 * B_SCREW_OFF
width = B_WIDTH
support_z = -support_height - height / 2
plate = utils.cube_chamfered([length, width, height], center=True, r=3)
screw_obj = MachineScrew(type=ScrewType.M2_HEX,
length=support_height,
clearance=-0.2)
screw_bottom = rotate([180, 0, 0])(screw_obj())
support = solid.cylinder(d=6, h=support_height, center=False, segments=32)
plate = solid.union()(
plate,
translate((length / 2 - B_SCREW_OFF, width / 2 - B_SCREW_OFF,
support_z))(support),
translate((length / 2 - B_SCREW_OFF, -width / 2 + B_SCREW_OFF,
support_z))(support),
translate((-length / 2 + B_SCREW_OFF, -width / 2 + B_SCREW_OFF,
support_z))(support),
translate((-length / 2 + B_SCREW_OFF, width / 2 - B_SCREW_OFF,
support_z))(support),
)
plate = solid.difference()(
plate,
# Upper plate mount screws
translate((ADAPTER_SIDE / 2 - ADAPTER_HOLE_TO_SIDE,
ADAPTER_SIDE / 2 - ADAPTER_HOLE_TO_SIDE, -height / 2))
(screw_bottom),
translate((-ADAPTER_SIDE / 2 + ADAPTER_HOLE_TO_SIDE,
ADAPTER_SIDE / 2 - ADAPTER_HOLE_TO_SIDE,
-height / 2))(screw_bottom),
translate((ADAPTER_SIDE / 2 - ADAPTER_HOLE_TO_SIDE,
-ADAPTER_SIDE / 2 + ADAPTER_HOLE_TO_SIDE,
-height / 2))(screw_bottom),
translate((-ADAPTER_SIDE / 2 + ADAPTER_HOLE_TO_SIDE,
-ADAPTER_SIDE / 2 + ADAPTER_HOLE_TO_SIDE,
-height / 2))(screw_bottom),
# Lens ring mount screws
translate((CS_LENS_RING_NUT_OFFSET, 0, -height / 2))(screw_bottom),
translate((-CS_LENS_RING_NUT_OFFSET, 0, -height / 2))(screw_bottom),
# Pi mount screws
translate((length / 2 - B_SCREW_OFF, width / 2 - B_SCREW_OFF,
-support_height - screw_obj.head_h))(screw_bottom),
translate((length / 2 - B_SCREW_OFF, -width / 2 + B_SCREW_OFF,
-support_height - screw_obj.head_h))(screw_bottom),
translate((-length / 2 + B_SCREW_OFF, -width / 2 + B_SCREW_OFF,
-support_height - screw_obj.head_h))(screw_bottom),
translate((-length / 2 + B_SCREW_OFF, width / 2 - B_SCREW_OFF,
-support_height - screw_obj.head_h))(screw_bottom),
# flex cable opening
translate((0, ADAPTER_SIDE / 2 - 2.5, 0))(cube([16.5, 2, height],
center=True)))
if gpio_opening:
gpio_opening = translate(
(0.3, -(width / 2 - GPIO_WIDTH / 2 - 0.8),
0))(solid.cube([GPIO_LENGTH, GPIO_WIDTH, height], center=True))
plate -= gpio_opening
return plate
def _zero_plate_base(support_height=0, screw_length=16, screw_offset=0, height=ZERO_PLATE_HEIGHT) -> solid.OpenSCADObject:
support = solid.cylinder(d=6,h=support_height,center=False,segments=32)
support_z = -support_height - height/2
plate = utils.cube_chamfered([ZERO_LENGTH,ZERO_WIDTH,height],center=True,r=3),
if support_height != 0:
plate = solid.union()(
plate,
translate((ZERO_LENGTH/2-ZERO_SCREW_OFF,ZERO_WIDTH/2-ZERO_SCREW_OFF,support_z))(support),
translate((ZERO_LENGTH/2-ZERO_SCREW_OFF,-ZERO_WIDTH/2+ZERO_SCREW_OFF,support_z))(support),
translate((-ZERO_LENGTH/2+ZERO_SCREW_OFF,-ZERO_WIDTH/2+ZERO_SCREW_OFF,support_z))(support),
translate((-ZERO_LENGTH/2+ZERO_SCREW_OFF,ZERO_WIDTH/2-ZERO_SCREW_OFF,support_z))(support),
)
return plate
def camera_rev_1_3_adapter():
height = 7.5
sensor_h = 3
sensor_w = 8.75 + 0.35
sensor_l = 8.65 + 0.35
module_w = 24
module_l = 25
sensor_y_off_top = 6.1
sensor_y_center_offset = (24 - 8.75) / 2 - sensor_y_off_top
screw_top_y_offset = 9.4
screw_top_x_offset = 2.2
screw_bottom_y_offset = 1.8
screw_bottom_x_offset = 2
# led_bottom_offset_x = 4.4
# led_bottom_offset_y = 4.2
# sensor_y = PLATE_SIDE/2-sensor_w/2 - (PLATE_SIDE-module_l)/2-sensor_y_off
# sensor_y = PLATE_SIDE/2-sensor_w/2 - (PLATE_SIDE-module_l)/2 -sensor_y_off_top
plate = utils.cube_chamfered([ADAPTER_SIDE, ADAPTER_SIDE, height],
center=True,
r=3)
plate = translate((0, 0, height / 2))(plate)
sensor = cube([sensor_l, sensor_w, height + 0.1], center=True)
conn_cutout = cube([sensor_l, module_w / 2 + 0.5, height], center=True)
led_pocket = cylinder(segments=32, d=5, h=height, center=True)
board = union()(
translate((0, 0, height / 2 + sensor_h))(cube(
[module_l + 0.5, module_w + 0.5, height], center=True)),
# connector cutout
translate((0, -module_w / 4, height / 2 + sensor_h - 2))(conn_cutout),
# mounting screws
translate((module_l / 2 - screw_top_x_offset,
module_w / 2 - screw_top_y_offset, height / 2 + 0.4))
(cylinder(segments=32, d=2, h=height, center=True)),
translate((-module_l / 2 + screw_top_x_offset,
module_w / 2 - screw_top_y_offset,
height / 2 + 0.4))(cylinder(segments=32,
d=2,
h=height,
center=True)),
translate((-module_l / 2 + screw_bottom_x_offset,
-module_w / 2 + screw_bottom_y_offset,
height / 2 + 0.4))(cylinder(segments=32,
d=2,
h=height,
center=True)),
translate((module_l / 2 - screw_bottom_x_offset,
-module_w / 2 + screw_bottom_y_offset,
height / 2 + 0.4))(cylinder(segments=32,
d=2,
h=height,
center=True)),
# smd led and resistor pocket
translate((module_l / 2 - 5, -module_w / 2 + 3.75, sensor_h * 2 - 1))
(led_pocket),
# led opening
# translate((module_l/2-led_bottom_offset_x,-module_w/2+led_bottom_offset_y,0))(cylinder(segments=32,d=2,h=height,center=True))
)
screw_hole = MachineScrew(type=ScrewType.M2_HEX,
length=height * 2,
overhang=True,
extend_head_height=height)()
screw_hole = rotate([180, 0, 0])(screw_hole)
plate = difference()(
plate,
translate((0, -sensor_y_center_offset))(board),
# make space for flex cable
translate((0, ADAPTER_SIDE / 4 - 1, height / 2 + sensor_h))
(cube([module_l + 0.5, ADAPTER_SIDE / 2, height], center=True)),
sensor,
# mounting screws
translate((ADAPTER_SIDE / 2 - ADAPTER_HOLE_TO_SIDE,
ADAPTER_SIDE / 2 - ADAPTER_HOLE_TO_SIDE, 4))(screw_hole),
translate((-ADAPTER_SIDE / 2 + ADAPTER_HOLE_TO_SIDE,
ADAPTER_SIDE / 2 - ADAPTER_HOLE_TO_SIDE, 4))(screw_hole),
translate((ADAPTER_SIDE / 2 - ADAPTER_HOLE_TO_SIDE,
-ADAPTER_SIDE / 2 + ADAPTER_HOLE_TO_SIDE, 4))(screw_hole),
translate((-ADAPTER_SIDE / 2 + ADAPTER_HOLE_TO_SIDE,
-ADAPTER_SIDE / 2 + ADAPTER_HOLE_TO_SIDE, 4))(screw_hole),
# Lens ring mount screws
translate((CS_LENS_RING_NUT_OFFSET, 0, -.4))(screw_hole),
translate((-CS_LENS_RING_NUT_OFFSET, 0, -.4))(screw_hole),
)
return plate