def bar(width, thick, diameter, tolerance, amount=0, stem=1, twist=False, tneck=0.5, tthick=0.01, twist_keep=False,
        twist_line=False, twist_line_amount=2, which='MF'):

    # width = length of the bar
    # thick = thickness of the bar
    # diameter = diameter of the tool for joint creation
    # tolerance = Tolerance in the joint
    # amount = amount of fingers in the joint 0 means auto generate
    # stem = amount of radius the stem or neck of the joint will have
    # twist = twist lock addition
    # tneck = percentage the twist neck will have compared to thick
    # tthick = thicknest of the twist material
    # Which M,F, MF, MM, FF

    global DT
    if amount == 0:
        amount = round(thick / ((4 + 2 * (stem - 1)) * diameter * DT)) - 1
    bpy.ops.curve.simple(align='WORLD', location=(0, 0, 0), rotation=(0, 0, 0), Simple_Type='Rectangle',
                         Simple_width=width, Simple_length=thick, use_cyclic_u=True, edit_mode=False)
    simple.active_name('tmprect')

    fingers(diameter, tolerance, amount, stem=stem)

    if which == 'MM' or which == 'M' or which == 'MF':
        simple.rename('fingers', '_tmpfingers')
        simple.rotate(-math.pi / 2)
        simple.move(x=width / 2)
        simple.rename('tmprect', '_tmprect')
        simple.union('_tmp')
        simple.active_name("tmprect")
        twistm('tmprect', thick, diameter, tolerance, twist, tneck, tthick, -math.pi / 2,
               x=width / 2, twist_keep=twist_keep)

    twistf('receptacle', thick, diameter, tolerance, twist, tneck, tthick, twist_keep=twist_keep)
    simple.rename('receptacle', '_tmpreceptacle')
    if which == 'FF' or which == 'F' or which == 'MF':
        simple.rotate(-math.pi / 2)
        simple.move(x=-width / 2)
        simple.rename('tmprect', '_tmprect')
        simple.difference('_tmp', '_tmprect')
        simple.active_name("tmprect")
        if twist_keep:
            simple.make_active('twist_keep_f')
            simple.rotate(-math.pi / 2)
            simple.move(x=-width / 2)
           
    simple.remove_multiple("_")  # Remove temporary base and holes
    simple.remove_multiple("fingers")  # Remove temporary base and holes

    if twist_line:
        joinery.twist_line(thick, tthick, tolerance, tneck, twist_line_amount, width)
        if twist_keep:
            simple.duplicate()
        simple.active_name('tmptwist')
        simple.difference('tmp', 'tmprect')
    simple.rename('tmprect', 'Puzzle_bar')
    simple.remove_multiple("tmp")  # Remove temporary base and holes
    simple.make_active('Puzzle_bar')
Beispiel #2
0
def twist_separator_slot(length,
                         thickness,
                         finger_play=0.00005,
                         percentage=0.5):
    simple.add_rectangle(thickness + finger_play / 2, length, center_y=False)
    simple.move(y=((length * percentage - finger_play / 2) / 2))
    simple.duplicate()
    simple.mirrory()
    simple.join_multiple('simple_rectangle')
    simple.active_name('_separator_slot')
def arcbararc(length, radius, thick, angle, angleb, diameter, tolerance, amount=0, stem=1, twist=False,
              tneck=0.5, tthick=0.01, which='MF', twist_keep=False, twist_line=False, twist_line_amount=2):
    # length is the total width of the segments including 2 * radius and thick
    # radius = radius of the curve
    # thick = thickness of the bar
    # angle = angle of the female part
    # angleb = angle of the male part
    # diameter = diameter of the tool for joint creation
    # tolerance = Tolerance in the joint
    # amount = amount of fingers in the joint 0 means auto generate
    # stem = amount of radius the stem or neck of the joint will have
    # twist = twist lock addition
    # tneck = percentage the twist neck will have compared to thick
    # tthick = thicknest of the twist material
    # which = which joint to generate, Male Female MaleFemale M, F, MF

    length -= (radius * 2 + thick)  # adjust length to include 2x radius + thick

    # generate base rectangle
    bpy.ops.curve.simple(align='WORLD', location=(0, 0, 0), rotation=(0, 0, 0), Simple_Type='Rectangle',
                         Simple_width=length * 1.005, Simple_length=thick, use_cyclic_u=True, edit_mode=False)
    simple.active_name("tmprect")

    #  Generate male section and join to the base
    if which == 'M' or which == 'MF':
        arc(radius, thick, angleb, diameter, tolerance, amount=amount, stem=stem, twist=twist, tneck=tneck,
            tthick=tthick, which='M')
        simple.move(x=length / 2)
        simple.active_name('tmp_male')
        simple.select_multiple('tmp')
        bpy.ops.object.curve_boolean(boolean_type='UNION')
        simple.active_name('male')
        simple.remove_multiple('tmp')
        simple.rename('male', 'tmprect')

    # Generate female section and join to base
    if which == 'F' or which == 'MF':
        arc(radius, thick, angle, diameter, tolerance, amount=amount, stem=stem, twist=twist, tneck=tneck,
            tthick=tthick, which='F')
        simple.move(x=-length / 2)
        simple.active_name('tmp_receptacle')
        simple.union('tmp')
        simple.active_name('tmprect')

    if twist_line:
        joinery.twist_line(thick, tthick, tolerance, tneck, twist_line_amount, length)
        if twist_keep:
            simple.duplicate()
        simple.active_name('tmptwist')
        simple.difference('tmp', 'tmprect')

    simple.active_name('arcBarArc')
    simple.make_active('arcBarArc')
Beispiel #4
0
def rack(mm_per_tooth=0.01,
         number_of_teeth=11,
         height=0.012,
         pressure_angle=0.3488,
         backlash=0.0,
         hole_diameter=0.003175,
         tooth_per_hole=4):
    simple.deselect()
    pi = math.pi
    mm_per_tooth *= 1000
    a = mm_per_tooth / pi  # addendum
    t = (a * math.sin(pressure_angle)
         )  # tooth side is tilted so top/bottom corners move this amount
    a /= 1000
    mm_per_tooth /= 1000
    t /= 1000

    shapely_gear = Polygon([(-mm_per_tooth * 2 / 4 * 1.001, a - height),
                            (-mm_per_tooth * 2 / 4 * 1.001 - backlash, -a),
                            (-mm_per_tooth * 1 / 4 + backlash - t, -a),
                            (-mm_per_tooth * 1 / 4 + backlash + t, a),
                            (mm_per_tooth * 1 / 4 - backlash - t, a),
                            (mm_per_tooth * 1 / 4 - backlash + t, -a),
                            (mm_per_tooth * 2 / 4 * 1.001 + backlash, -a),
                            (mm_per_tooth * 2 / 4 * 1.001, a - height)])

    utils.shapelyToCurve('_tooth', shapely_gear, 0.0)
    i = number_of_teeth
    while i > 1:
        simple.duplicate(x=mm_per_tooth)
        i -= 1
    simple.union('_tooth')
    simple.move(y=height / 2)
    if hole_diameter > 0:
        bpy.ops.curve.simple(align='WORLD',
                             location=(mm_per_tooth / 2, 0, 0),
                             rotation=(0, 0, 0),
                             Simple_Type='Circle',
                             Simple_radius=hole_diameter / 2,
                             shape='3D',
                             use_cyclic_u=True,
                             edit_mode=False)
        simple.active_name('_hole')
        distance = (number_of_teeth - 1) * mm_per_tooth
        while distance > tooth_per_hole * mm_per_tooth:
            simple.duplicate(x=tooth_per_hole * mm_per_tooth)
            distance -= tooth_per_hole * mm_per_tooth
        simple.difference('_', '_tooth')

    name = 'rack-' + str(round(mm_per_tooth * 1000, 1))
    name += '-PA-' + str(round(math.degrees(pressure_angle), 1))
    simple.active_name(name)
def finger(diameter, stem=2):
    # diameter = diameter of the tool for joint creation
    # DT = Bit diameter tolerance
    # stem = amount of radius the stem or neck of the joint will have
    global DT
    RESOLUTION = 12  # Data resolution
    cube_sx = diameter * DT * (2 + stem - 1)
    cube_ty = diameter * DT
    cube_sy = 2 * diameter * DT
    circle_radius = diameter * DT / 2
    c1x = cube_sx / 2
    c2x = cube_sx / 2
    c2y = 3 * circle_radius
    c1y = circle_radius

    bpy.ops.curve.simple(align='WORLD', location=(0, cube_ty, 0), rotation=(0, 0, 0), Simple_Type='Rectangle',
                         Simple_width=cube_sx, Simple_length=cube_sy, use_cyclic_u=True, edit_mode=False)
    bpy.context.active_object.name = "ftmprect"

    bpy.ops.curve.simple(align='WORLD', location=(c2x, c2y, 0), rotation=(0, 0, 0), Simple_Type='Ellipse',
                         Simple_a=circle_radius,
                         Simple_b=circle_radius, Simple_sides=4, use_cyclic_u=True, edit_mode=False, shape='3D')

    bpy.context.active_object.name = "ftmpcirc_add"
    bpy.context.object.data.resolution_u = RESOLUTION

    bpy.ops.object.origin_set(type='ORIGIN_CURSOR', center='MEDIAN')

    simple.duplicate()
    simple.mirrorx()

    simple.union('ftmp')
    simple.rename('ftmp', '_sum')

    rc1 = circle_radius

    bpy.ops.curve.simple(align='WORLD', location=(c1x, c1y, 0), rotation=(0, 0, 0), Simple_Type='Ellipse',
                         Simple_a=circle_radius, Simple_b=rc1, Simple_sides=4, use_cyclic_u=True, edit_mode=False,
                         shape='3D')

    bpy.context.active_object.name = "_circ_delete"
    bpy.context.object.data.resolution_u = RESOLUTION
    bpy.ops.object.origin_set(type='ORIGIN_CURSOR', center='MEDIAN')

    simple.duplicate()
    simple.mirrorx()
    simple.union('_circ')

    simple.difference('_', '_sum')
    bpy.ops.object.curve_remove_doubles()
    simple.rename('_sum', "_puzzle")
def twistf(name, length, diameter, tolerance, twist, tneck, tthick, twist_keep=False):
    # add twist lock to receptacle
    if twist:
        joinery.interlock_twist(length, tthick, tolerance, cx=0, cy=0, rotation=0, percentage=tneck)
        simple.rotate(math.pi / 2)
        simple.move(y=-tthick / 2 + 2 * diameter + 2 * tolerance)
        simple.active_name('xtemptwist')
        if twist_keep:
            simple.duplicate()
            simple.active_name('twist_keep_f')
        simple.make_active(name)
        simple.active_name('xtemp')
        simple.union('xtemp')
        simple.active_name(name)
def t(length, thick, diameter, tolerance, amount=0, stem=1, twist=False, tneck=0.5, tthick=0.01, combination='MF',
      base_gender='M', corner=False):
    if corner:
        if combination == 'MF':
            base_gender = 'M'
            combination = 'f'
        elif combination == 'F':
            base_gender = 'F'
            combination = 'f'
        elif combination == 'M':
            base_gender = 'M'
            combination = 'm'

    bar(length, thick, diameter, tolerance, amount=amount, stem=stem, twist=twist, tneck=tneck,
        tthick=tthick, which=base_gender)
    simple.active_name('tmp')
    fingers(diameter, tolerance, amount=amount, stem=stem)
    if combination == 'MF' or combination == 'M' or combination == 'm':
        simple.make_active('fingers')
        simple.move(y=thick / 2)
        simple.duplicate()
        simple.active_name('tmp')
        simple.union('tmp')

    if combination == 'M':
        simple.make_active('fingers')
        simple.mirrory()
        simple.active_name('tmp')
        simple.union('tmp')

    if combination == 'MF' or combination == 'F' or combination == 'f':
        simple.make_active('receptacle')
        simple.move(y=-thick / 2)
        simple.duplicate()
        simple.active_name('tmp')
        simple.difference('tmp', 'tmp')

    if combination == 'F':
        simple.make_active('receptacle')
        simple.mirrory()
        simple.active_name('tmp')
        simple.difference('tmp', 'tmp')

    simple.remove_multiple('receptacle')
    simple.remove_multiple('fingers')

    simple.rename('tmp', 't')
    simple.make_active('t')
def multiangle(radius, thick, angle, diameter, tolerance, amount=0, stem=1, twist=False,
               tneck=0.5, tthick=0.01, combination='MFF'):
    # length is the total width of the segments including 2 * radius and thick
    # radius = radius of the curve
    # thick = thickness of the bar
    # angle = angle of the female part
    # diameter = diameter of the tool for joint creation
    # tolerance = Tolerance in the joint
    # amount = amount of fingers in the joint 0 means auto generate
    # stem = amount of radius the stem or neck of the joint will have
    # twist = twist lock addition
    # tneck = percentage the twist neck will have compared to thick
    # tthick = thicknest of the twist material
    # which = which joint to generate, Male Female MaleFemale M, F, MF

    r_exterior = radius + thick / 2
    r_interior = radius - thick / 2

    height = math.sqrt(r_exterior * r_exterior - radius * radius) + r_interior / 4

    bpy.ops.curve.simple(align='WORLD', location=(0, height, 0),
                         rotation=(0, 0, 0), Simple_Type='Rectangle',
                         Simple_width=r_interior, Simple_length=r_interior / 2, use_cyclic_u=True,
                         edit_mode=False, shape='3D')
    simple.active_name('tmp_rect')

    bpy.ops.curve.simple(align='WORLD', location=(0, 0, 0), rotation=(0, 0, 0), Simple_Type='Circle', Simple_sides=4,
                         Simple_radius=r_interior, shape='3D', use_cyclic_u=True, edit_mode=False)
    simple.move(y=radius * math.tan(angle))
    simple.active_name('tmpCircle')

    arc(radius, thick, angle, diameter, tolerance, amount=amount, stem=stem, twist=twist, tneck=tneck, tthick=tthick,
        which='MF')
    simple.active_name('tmp_arc')
    if combination == 'MFF':
        simple.duplicate()
        simple.mirrorx()
    elif combination == 'MMF':
        arc(radius, thick, angle, diameter, tolerance, amount=amount, stem=stem, twist=twist, tneck=tneck,
            tthick=tthick,
            which='M')
        simple.active_name('tmp_arc')
        simple.mirrory()
        simple.rotate(math.pi / 2)
    simple.union("tmp_")
    simple.difference('tmp', 'tmp_')
    simple.active_name('multiAngle60')
def twistm(name, length, diameter, tolerance, twist, tneck, tthick, angle, twist_keep=False, x=0, y=0):
    # add twist lock to male connector
    global DT
    if twist:
        joinery.interlock_twist(length, tthick, tolerance, cx=0, cy=0, rotation=0, percentage=tneck)
        simple.rotate(math.pi / 2)
        simple.move(y=-tthick / 2 + 2 * diameter * DT)
        simple.rotate(angle)
        simple.move(x=x, y=y)
        simple.active_name('_twist')
        if twist_keep:
            simple.duplicate()
            simple.active_name('twist_keep_m')
        simple.make_active(name)
        simple.active_name('_tmp')
        simple.difference('_', '_tmp')
        simple.active_name(name)
Beispiel #10
0
def interlock_twist_separator(length,
                              thickness,
                              amount,
                              spacing,
                              edge_distance,
                              finger_play=0.00005,
                              percentage=0.5,
                              start='rounded',
                              end='rounded'):
    amount -= 1
    base_width = 2 * edge_distance + spacing * amount + thickness
    simple.add_rectangle(base_width, length - finger_play * 2, center_x=False)
    simple.active_name('_base')
    twist_separator_slot(length, thickness, finger_play, percentage)
    while amount > 0:
        simple.duplicate(x=spacing)
        amount -= 1
    simple.join_multiple('_separator_slot')
    simple.move(x=edge_distance + thickness / 2)
    simple.difference('_', '_base')
    simple.active_name('twist_separator')
Beispiel #11
0
def curved_t(length, thick, radius, diameter, tolerance, amount=0, stem=1, twist=False, tneck=0.5, tthick=0.01,
             combination='MF', base_gender='M'):
    bar(length, thick, diameter, tolerance, amount=amount, stem=stem, twist=twist, tneck=tneck,
        tthick=tthick, which=combination)
    simple.active_name('tmpbar')

    bpy.ops.curve.simple(align='WORLD', location=(0, 0, 0), rotation=(0, 0, 0), Simple_Type='Rectangle',
                         Simple_width=3 * radius, Simple_length=thick, use_cyclic_u=True, edit_mode=False)
    simple.active_name("tmp_rect")

    if base_gender == 'MF':
        arc(radius, thick, math.pi / 2, diameter, tolerance,
            amount=amount, stem=stem, twist=twist, tneck=tneck, tthick=tthick, which='M')
        simple.move(-radius)
        simple.active_name('tmp_arc')
        arc(radius, thick, math.pi / 2, diameter, tolerance,
            amount=amount, stem=stem, twist=twist, tneck=tneck, tthick=tthick, which='F')
        simple.move(radius)
        simple.mirrory()
        simple.active_name('tmp_arc')
        simple.union('tmp_arc')
        simple.duplicate()
        simple.mirrorx()
        simple.union('tmp_arc')
        simple.difference('tmp_', 'tmp_arc')
    else:
        arc(radius, thick, math.pi / 2, diameter, tolerance,
            amount=amount, stem=stem, twist=twist, tneck=tneck, tthick=tthick, which=base_gender)
        simple.active_name('tmp_arc')
        simple.difference('tmp_', 'tmp_arc')
        if base_gender == 'M':
            simple.move(-radius)
        else:
            simple.move(radius)
        simple.duplicate()
        simple.mirrorx()

    simple.union('tmp')
    simple.active_name('curved_t')
Beispiel #12
0
def open_curve(line, thick, diameter, tolerance, amount=0, stem=1, twist=False, t_neck=0.5, t_thick=0.01,
               twist_amount=1, which='MF', twist_keep=False):
    # puts puzzle connectors at the end of an open curve
    # optionally puts twist lock connectors at the puzzle connection
    # optionally puts twist lock connectors along the open curve
    # line = shapely linestring
    # thick = thickness of the bar
    # diameter = diameter of the tool for joint creation
    # tolerance = Tolerance in the joint
    # amount = amount of fingers in the joint 0 means auto generate
    # stem = amount of radius the stem or neck of the joint will have
    # twist = twist lock addition
    # twist_amount = twist amount distributed on the curve not counting the joint twist locks
    # tneck = percentage the twist neck will have compared to thick
    # tthick = thicknest of the twist material
    # Which M,F, MF, MM, FF

    coords = list(line.coords)

    start_angle = joinery.angle(coords[0], coords[1]) + math.pi/2
    end_angle = joinery.angle(coords[-1], coords[-2]) + math.pi/2
    p_start = coords[0]
    p_end = coords[-1]

    print('start angle', start_angle)
    print('end angle', end_angle)

    bpy.ops.curve.simple(align='WORLD', location=(0, 0, 0), rotation=(0, 0, 0), Simple_Type='Rectangle',
                         Simple_width=thick*2, Simple_length=thick * 2, use_cyclic_u=True, edit_mode=False, shape='3D')
    simple.active_name('tmprect')
    simple.move(y=thick)
    simple.duplicate()
    simple.rotate(start_angle)
    simple.move(x=p_start[0], y=p_start[1])
    simple.make_active('tmprect')
    simple.rotate(end_angle)
    simple.move(x=p_end[0], y=p_end[1])
    simple.union('tmprect')
    dilated = line.buffer(thick/2)  # expand shapely object to thickness
    utils.shapelyToCurve('tmp_curve', dilated, 0.0)
    simple.difference('tmp', 'tmp_curve')   # truncate curve at both ends with the rectangles

    fingers(diameter, tolerance, amount, stem=stem)
    simple.make_active('fingers')
    simple.rotate(end_angle)
    simple.move(x=p_end[0], y=p_end[1])
    simple.active_name('tmp_fingers')
    simple.union('tmp_')
    simple.active_name('tmp_curve')
    twistm('tmp_curve', thick, diameter, tolerance, twist, t_neck, t_thick, end_angle, x=p_end[0], y=p_end[1],
           twist_keep=twist_keep)

    twistf('receptacle', thick, diameter, tolerance, twist, t_neck, t_thick, twist_keep=twist_keep)
    simple.rename('receptacle', 'tmp')
    simple.rotate(start_angle+math.pi)
    simple.move(x=p_start[0], y=p_start[1])
    simple.difference('tmp', 'tmp_curve')
    if twist_keep:
        simple.make_active('twist_keep_f')
        simple.rotate(start_angle + math.pi)
        simple.move(x=p_start[0], y=p_start[1])

    if twist_amount > 0 and twist:
        twist_start = line.length / (twist_amount+1)
        joinery.distributed_interlock(line, line.length, thick, t_thick, tolerance, twist_amount,
                                      tangent=math.pi/2, fixed_angle=0, start=twist_start, end=twist_start,
                                      closed=False, type='TWIST', twist_percentage=t_neck)
        if twist_keep:
            simple.duplicate()
            simple.active_name('twist_keep')
            simple.join_multiple('twist_keep')
            simple.make_active('interlock')

        simple.active_name('tmp_twist')
        simple.difference('tmp', 'tmp_curve')
        simple.active_name('puzzle_curve')
Beispiel #13
0
def mitre(length, thick, angle, angleb, diameter, tolerance, amount=0, stem=1, twist=False,
          tneck=0.5, tthick=0.01, which='MF'):
    # length is the total width of the segments including 2 * radius and thick
    # radius = radius of the curve
    # thick = thickness of the bar
    # angle = angle of the female part
    # angleb = angle of the male part
    # diameter = diameter of the tool for joint creation
    # tolerance = Tolerance in the joint
    # amount = amount of fingers in the joint 0 means auto generate
    # stem = amount of radius the stem or neck of the joint will have
    # twist = twist lock addition
    # tneck = percentage the twist neck will have compared to thick
    # tthick = thicknest of the twist material
    # which = which joint to generate, Male Female MaleFemale M, F, MF

    # generate base rectangle
    bpy.ops.curve.simple(align='WORLD', location=(0, -thick / 2, 0), rotation=(0, 0, 0), Simple_Type='Rectangle',
                         Simple_width=length * 1.005 + 4 * thick, Simple_length=thick, use_cyclic_u=True,
                         edit_mode=False,
                         shape='3D')
    simple.active_name("tmprect")

    # generate cutout shapes
    bpy.ops.curve.simple(align='WORLD', location=(0, 0, 0), rotation=(0, 0, 0), Simple_Type='Rectangle',
                         Simple_width=4 * thick, Simple_length=6 * thick, use_cyclic_u=True, edit_mode=False,
                         shape='3D')
    simple.move(x=2 * thick)
    simple.rotate(angle)
    simple.move(x=length / 2)
    simple.active_name('tmpmitreright')

    bpy.ops.curve.simple(align='WORLD', location=(0, 0, 0), rotation=(0, 0, 0), Simple_Type='Rectangle',
                         Simple_width=4 * thick, Simple_length=6 * thick, use_cyclic_u=True, edit_mode=False,
                         shape='3D')
    simple.move(x=2 * thick)
    simple.rotate(angleb)
    simple.move(x=length / 2)
    simple.mirrorx()
    simple.active_name('tmpmitreleft')
    simple.difference('tmp', 'tmprect')
    simple.make_active('tmprect')

    fingers(diameter, tolerance, amount, stem=stem)

    #  Generate male section and join to the base
    if which == 'M' or which == 'MF':
        simple.make_active('fingers')
        simple.duplicate()
        simple.active_name('tmpfingers')
        simple.rotate(angle - math.pi / 2)
        h = thick / math.cos(angle)
        h /= 2
        simple.move(x=length / 2 + h * math.sin(angle), y=-thick / 2)
        if which == 'M':
            simple.rename('fingers', 'tmpfingers')
            simple.rotate(angleb - math.pi / 2)
            h = thick / math.cos(angleb)
            h /= 2
            simple.move(x=length / 2 + h * math.sin(angleb), y=-thick / 2)
            simple.mirrorx()

        simple.union('tmp')
        simple.active_name('tmprect')

    # Generate female section and join to base
    if which == 'MF' or which == 'F':
        simple.make_active('receptacle')
        simple.mirrory()
        simple.duplicate()
        simple.active_name('tmpreceptacle')
        simple.rotate(angleb - math.pi / 2)
        h = thick / math.cos(angleb)
        h /= 2
        simple.move(x=length / 2 + h * math.sin(angleb), y=-thick / 2)
        simple.mirrorx()
        if which == 'F':
            simple.rename('receptacle', 'tmpreceptacle2')
            simple.rotate(angle - math.pi / 2)
            h = thick / math.cos(angle)
            h /= 2
            simple.move(x=length / 2 + h * math.sin(angle), y=-thick / 2)
        simple.difference('tmp', 'tmprect')

    simple.remove_multiple('receptacle')
    simple.remove_multiple('fingers')
    simple.rename('tmprect', 'mitre')
Beispiel #14
0
def gear(mm_per_tooth=0.003,
         number_of_teeth=5,
         hole_diameter=0.003175,
         pressure_angle=0.3488,
         clearance=0.0,
         backlash=0.0,
         rim_size=0.0005,
         hub_diameter=0.006,
         spokes=4):
    simple.deselect()
    pi = math.pi
    p = mm_per_tooth * number_of_teeth / pi / 2  # radius of pitch circle
    c = p + mm_per_tooth / pi - clearance  # radius of outer circle
    b = p * math.cos(pressure_angle)  # radius of base circle
    r = p - (c - p) - clearance  # radius of root circle
    t = mm_per_tooth / 2 - backlash / 2  # tooth thickness at pitch circle
    k = -gear_iang(
        b, p
    ) - t / 2 / p  # angle to where involute meets base circle on each side of tooth
    shapely_gear = Polygon([(0, 0),
                            gear_polar(r,
                                       k if r < b else -pi / number_of_teeth),
                            gear_q7(0, r, b, c, k, 1),
                            gear_q7(0.1, r, b, c, k, 1),
                            gear_q7(0.2, r, b, c, k, 1),
                            gear_q7(0.3, r, b, c, k, 1),
                            gear_q7(0.4, r, b, c, k, 1),
                            gear_q7(0.5, r, b, c, k, 1),
                            gear_q7(0.6, r, b, c, k, 1),
                            gear_q7(0.7, r, b, c, k, 1),
                            gear_q7(0.8, r, b, c, k, 1),
                            gear_q7(0.9, r, b, c, k, 1),
                            gear_q7(1.0, r, b, c, k, 1),
                            gear_q7(1.0, r, b, c, k, -1),
                            gear_q7(0.9, r, b, c, k, -1),
                            gear_q7(0.8, r, b, c, k, -1),
                            gear_q7(0.7, r, b, c, k, -1),
                            gear_q7(0.6, r, b, c, k, -1),
                            gear_q7(0.5, r, b, c, k, -1),
                            gear_q7(0.4, r, b, c, k, -1),
                            gear_q7(0.3, r, b, c, k, -1),
                            gear_q7(0.2, r, b, c, k, -1),
                            gear_q7(0.1, r, b, c, k, -1),
                            gear_q7(0.0, r, b, c, k, -1),
                            gear_polar(r,
                                       -k if r < b else pi / number_of_teeth)])
    utils.shapelyToCurve('tooth', shapely_gear, 0.0)
    i = number_of_teeth
    while i > 1:
        simple.duplicate()
        simple.rotate(2 * math.pi / number_of_teeth)
        i -= 1
    simple.join_multiple('tooth')
    simple.active_name('_teeth')

    bpy.ops.curve.simple(align='WORLD',
                         location=(0, 0, 0),
                         rotation=(0, 0, 0),
                         Simple_Type='Circle',
                         Simple_radius=r,
                         shape='3D',
                         use_cyclic_u=True,
                         edit_mode=False)
    simple.active_name('_hub')
    simple.union('_')
    simple.active_name('_gear')
    simple.remove_doubles()

    if spokes > 0:
        bpy.ops.curve.simple(align='WORLD',
                             location=(0, 0, 0),
                             rotation=(0, 0, 0),
                             Simple_Type='Circle',
                             Simple_radius=r - rim_size,
                             shape='3D',
                             use_cyclic_u=True,
                             edit_mode=False)
        simple.active_name('_hole')
        simple.difference('_', '_gear')
        bpy.ops.curve.simple(align='WORLD',
                             location=(0, 0, 0),
                             rotation=(0, 0, 0),
                             Simple_Type='Circle',
                             Simple_radius=hub_diameter / 2,
                             shape='3D',
                             use_cyclic_u=True,
                             edit_mode=False)
        simple.active_name('_hub')
        bpy.ops.curve.simple(align='WORLD',
                             location=(0, 0, 0),
                             rotation=(0, 0, 0),
                             Simple_Type='Circle',
                             Simple_radius=hole_diameter / 2,
                             shape='3D',
                             use_cyclic_u=True,
                             edit_mode=False)
        simple.active_name('_hub_hole')
        simple.difference('_hub', '_hub')

        simple.join_multiple('_')

        simple.add_rectangle(
            r - rim_size -
            ((hub_diameter - hole_diameter) / 4 + hole_diameter / 2),
            hub_diameter / 2,
            center_x=False)
        simple.move(x=(hub_diameter - hole_diameter) / 4 + hole_diameter / 2)
        simple.active_name('_spoke')

        angle = 2 * pi / spokes
        while spokes > 0:
            simple.duplicate()
            simple.rotate(angle)
            spokes -= 1
        simple.union('_spoke')
        simple.remove_doubles()
        simple.union('_')
    else:
        bpy.ops.curve.simple(align='WORLD',
                             location=(0, 0, 0),
                             rotation=(0, 0, 0),
                             Simple_Type='Circle',
                             Simple_radius=hole_diameter,
                             shape='3D',
                             use_cyclic_u=True,
                             edit_mode=False)
        simple.active_name('_hole')
        simple.difference('_', '_gear')

    name = 'gear-' + str(round(mm_per_tooth * 1000, 1))
    name += 'mm-pitch-' + str(number_of_teeth)
    name += 'teeth-PA-' + str(round(math.degrees(pressure_angle), 1))
    simple.active_name(name)