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blendercam/scripts/addons/cam/puzzle_joinery.py

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# blender CAM ops.py (c) 2021 Alain Pelletier
#
# ***** BEGIN GPL LICENSE BLOCK *****
#
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ***** END GPL LICENCE BLOCK *****
# blender operators definitions are in this file. They mostly call the functions from curvecamcreate.py
from typing import Any
import bpy
from bpy.props import *
from bpy.types import Operator
from cam import utils, pack, polygon_utils_cam, simple, gcodepath, bridges, parametric, joinery
import shapely
from shapely.geometry import Point, LineString, Polygon
import mathutils
import math
DT = 1.025
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 fingers(diameter, inside, amount=1, stem=1):
# diameter = diameter of the tool for joint creation
# inside = Tolerance in the joint receptacle
global DT # Bit diameter tolerance
# stem = amount of radius the stem or neck of the joint will have
# amount = the amount of fingers
xtranslate = -(4 + 2 * (stem - 1)) * (amount - 1) * diameter * DT / 2
finger(diameter, stem=stem) # generate male finger
simple.active_name("puzzlem")
simple.move(x=xtranslate, y=-0.00002)
if amount > 1:
# duplicate translate the amount needed (faster than generating new)
for i in range(amount - 1):
bpy.ops.object.duplicate_move(OBJECT_OT_duplicate={"linked": False, "mode": 'TRANSLATION'},
TRANSFORM_OT_translate={
"value": ((4 + 2 * (stem - 1)) * diameter * DT, 0, 0.0)})
simple.union('puzzle')
simple.active_name("fingers")
bpy.ops.object.origin_set(type='ORIGIN_CURSOR', center='MEDIAN')
# Receptacle is made using the silhouette offset from the fingers
if inside > 0:
bpy.ops.object.silhouete_offset(offset=inside, style='1')
simple.active_name('receptacle')
simple.move(y=-inside)
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 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)
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')
def arc(radius, thick, angle, diameter, tolerance, amount=0, stem=1, twist=False, tneck=0.5, tthick=0.01,
twist_keep=False, which='MF'):
# radius = radius of the curve
# thick = thickness of the bar
# angle = angle of the arc
# 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
global DT # diameter tolerance for diameter of finger creation
if angle == 0: # angle cannot be 0
angle = 0.01
negative = False
if angle < 0: # if angle < 0 then negative is true
angle = -angle
negative = True
if amount == 0:
amount = round(thick / ((4 + 2 * (stem - 1)) * diameter * DT)) - 1
fingers(diameter, tolerance, amount, stem=stem)
twistf('receptacle', thick, diameter, tolerance, twist, tneck, tthick, twist_keep=twist_keep)
twistf('testing', thick, diameter, tolerance, twist, tneck, tthick, twist_keep=twist_keep)
print("generating arc")
# generate arc
bpy.ops.curve.simple(align='WORLD', location=(0, 0, 0), rotation=(0, 0, 0), Simple_Type='Segment',
Simple_a=radius - thick / 2,
Simple_b=radius + thick / 2, Simple_startangle=-0.0001, Simple_endangle=math.degrees(angle),
Simple_radius=radius, use_cyclic_u=False, edit_mode=False)
bpy.context.active_object.name = "tmparc"
simple.rename('fingers', '_tmpfingers')
simple.rotate(math.pi)
simple.move(x=radius)
bpy.ops.object.origin_set(type='ORIGIN_CURSOR', center='MEDIAN')
simple.rename('tmparc', '_tmparc')
if which == 'MF' or which == 'M':
simple.union('_tmp')
simple.active_name("base")
twistm('base', thick, diameter, tolerance, twist, tneck, tthick, math.pi, x=radius)
simple.rename('base', '_tmparc')
simple.rename('receptacle', '_tmpreceptacle')
simple.mirrory()
simple.move(x=radius)
bpy.ops.object.origin_set(type='ORIGIN_CURSOR', center='MEDIAN')
simple.rotate(angle)
simple.make_active('_tmparc')
if which == 'MF' or which == 'F':
simple.difference('_tmp', '_tmparc')
bpy.context.active_object.name = "PUZZLE_arc"
bpy.ops.object.curve_remove_doubles()
simple.remove_multiple("_") # Remove temporary base and holes
simple.make_active('PUZZLE_arc')
if which == 'M':
simple.rotate(-angle)
simple.mirrory()
bpy.ops.object.transform_apply(location=True, rotation=True, scale=False)
simple.rotate(-math.pi / 2)
simple.move(y=radius)
simple.rename('PUZZLE_arc', 'PUZZLE_arc_male')
elif which == 'F':
simple.mirrorx()
simple.move(x=radius)
simple.rotate(math.pi / 2)
simple.rename('PUZZLE_arc', 'PUZZLE_arc_receptacle')
else:
simple.move(x=-radius)
# bpy.ops.object.transform_apply(location=True, rotation=False, scale=False, properties=False)
#
if negative: # mirror if angle is negative
simple.mirrory()
#
# bpy.ops.object.curve_remove_doubles()
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')
def arcbar(length, radius, thick, angle, diameter, tolerance, amount=0, stem=1, twist=False,
tneck=0.5, tthick=0.01, twist_keep=False, which='MF', 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
# 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
if which == 'M':
which = 'MM'
elif which == 'F':
which = 'FF'
length -= (radius * 2 + thick) # adjust length to include 2x radius + thick
# generate base rectangle
# Generate male section and join to the base
if which == 'MM' or which == 'MF':
bar(length, thick, diameter, tolerance, amount=amount, stem=stem, twist=twist, tneck=tneck, tthick=tthick,
which='M', twist_keep=twist_keep, twist_line=twist_line, twist_line_amount=twist_line_amount)
simple.active_name('tmprect')
if which == 'FF' or which == 'FM':
bar(length, thick, diameter, tolerance, amount=amount, stem=stem, twist=twist, tneck=tneck, tthick=tthick,
which='F', twist_keep=twist_keep, twist_line=twist_line, twist_line_amount=twist_line_amount)
simple.rotate(math.pi)
simple.active_name('tmprect')
# Generate female section and join to base
if which == 'FF' 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 * 0.998)
simple.active_name('tmp_receptacle')
simple.union('tmp')
simple.active_name('arcBar')
simple.remove_multiple('tmp')
if which == 'MM':
arc(radius, thick, angle, diameter, tolerance, amount=amount, stem=stem, twist=twist, tneck=tneck,
tthick=tthick, which='M')
bpy.ops.transform.mirror(orient_type='GLOBAL', orient_matrix=((1, 0, 0), (0, 1, 0), (0, 0, 1)),
orient_matrix_type='GLOBAL', constraint_axis=(True, False, False))
simple.move(x=-length / 2 * 0.998)
simple.active_name('tmp_receptacle')
simple.union('tmp')
simple.active_name('arcBar')
simple.remove_multiple('tmp')
simple.make_active('arcBar')
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 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 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')
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')
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')
def tile(diameter, tolerance, tile_x_amount, tile_y_amount, stem=1):
global DT
diameter = diameter * DT
width = ((tile_x_amount) * (4 + 2 * (stem-1)) + 1) * diameter
height = ((tile_y_amount) * (4 + 2 * (stem - 1)) + 1) * diameter
print('size:', width, height)
fingers(diameter, tolerance, amount=tile_x_amount, stem=stem)
simple.add_rectangle(width, height)
simple.active_name('_base')
simple.make_active('fingers')
simple.active_name('_fingers')
simple.intersect('_')
simple.remove_multiple('_fingers')
simple.rename('intersection', '_fingers')
simple.move(y=height/2)
simple.union('_')
simple.active_name('_base')
simple.remove_doubles()
simple.rename('receptacle', '_receptacle')
simple.move(y=-height/2)
simple.difference('_', '_base')
simple.active_name('base')
fingers(diameter, tolerance, amount=tile_y_amount, stem=stem)
simple.rename('base', '_base')
simple.remove_doubles()
simple.rename('fingers', '_fingers')
simple.rotate(math.pi/2)
simple.move(x=-width/2)
simple.union('_')
simple.active_name('_base')
simple.rename('receptacle', '_receptacle')
simple.rotate(math.pi/2)
simple.move(x=width/2)
simple.difference('_', '_base')
simple.active_name('tile_ ' + str(tile_x_amount) + '_' + str(tile_y_amount))
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