2016-07-13 18:33:02 +02:00
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#!/usr/bin/python3
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# Copyright (C) 2013-2016 Florian Festi
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from boxes import *
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class MotorEdge(edges.BaseEdge):
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#def margin(self):
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# return 30
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def __call__(self, l, **kw):
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self.polyline(
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l-165, 45,
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25*2**0.5, -45,
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60, -45,
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25*2**0.5, 45,
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55)
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class OutsetEdge(edges.OutSetEdge):
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def startwidth(self):
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return 20
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class HangerEdge(edges.BaseEdge):
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char = "H"
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def margin(self):
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return 40
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def __call__(self, l, **kw):
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self.fingerHolesAt(0, -0.5*self.thickness, l, angle=0)
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w = self.settings
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self.polyline(0, -90,
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22+w, 90,
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70, 135,
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2**0.5*12, 45,
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35, -45,
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2**0.5*0.5*w, -90,
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2**0.5*0.5*w, -45,
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l -28, 45,
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2**0.5*5, 45, 5, -90)
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class RollerEdge(edges.BaseEdge):
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def margin(self):
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return 20
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2016-07-13 18:33:02 +02:00
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def __call__(self, l, **kw):
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m = 40+100
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self.polyline((l-m)/2.0, -45,
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2**0.5*20, 45,
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100, 45,
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2**0.5*20, -45,
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(l-m)/2.0)
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class RollerEdge2(edges.BaseEdge):
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def margin(self):
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return self.thickness
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def __call__(self, l, **kw):
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a = 30
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f = 1/math.cos(math.radians(a))
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self.edges["f"](70)
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self.polyline(0, a, f*25, -a, l-190, -a, f*25, a, 0)
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self.edges["f"](70)
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2016-07-13 18:33:02 +02:00
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class Rotary(Boxes):
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"""Rotary Attachment for engraving cylindrical objects in a laser cutter"""
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def __init__(self):
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Boxes.__init__(self)
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# remove cli params you do not need
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#self.buildArgParser("x", "sx", "y", "sy", "h", "hi")
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# Add non default cli params if needed (see argparse std lib)
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self.argparser.add_argument(
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"--diameter", action="store", type=float, default=72.,
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help="outer diameter of the wheels")
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self.argparser.add_argument(
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"--rubberthickness", action="store", type=float, default=5.,
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help="diameter of the strings of the O rings")
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self.argparser.add_argument(
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"--axle", action="store", type=float, default=6.,
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help="diameter of the axles")
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self.argparser.add_argument(
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"--knifethickness", action="store", type=float, default=8.,
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help="thickness of the knifes in mm. Use 0 for use with honey comb table.")
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def mainPlate(self):
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# Motor block outer side
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t = self.thickness
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d = self.diameter
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a = self.axle
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self.hole(1.0*d, 0.6*d, a/2.)
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#self.hole(1.0*d, 0.6*d, d/2.)
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self.hole(2.0*d+5, 0.6*d, a/2.)
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#self.hole(2.0*d+5, 0.6*d, d/2.)
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# Main beam
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self.rectangularHole(1.5*d+2.5, 3.6, 32, 7.1)
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def frontPlate(self):
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# Motor block inner side with motor mount
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t = self.thickness
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d = self.diameter
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a = self.axle
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self.hole(1.0*d, 0.6*d, a/2.)
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#self.hole(1.0*d, 0.6*d, d/2.)
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self.hole(2.0*d+5, 0.6*d, a/2.)
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#self.hole(2.0*d+5, 0.6*d, d/2.)
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# Main beam
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self.rectangularHole(1.5*d+2.5, 3.6, 32, 7.1)
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# Motor
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mx = 2.7*d+20
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self.rectangularHole(mx, 0.6*d, 36+20, 36, r=36/2.0)
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for x in (-1, 1):
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for y in (-1,1):
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self.rectangularHole(mx+x*25, 0.6*d+y*25, 20, 4, r=2)
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def link(self, x, y, a, middleHole=False, move=None):
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t = self. thickness
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overallwidth = x + y
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overallheight = y
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ra = a/2.0
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if self.move(overallwidth, overallheight, move, before=True):
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return
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self.moveTo(y/2.0, 0)
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self.hole(0, y/2., ra)
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self.hole(x, y/2., ra)
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if middleHole:
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self.hole(x/2., y/2., ra)
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self.edge(10)
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self.edges["F"](60)
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self.polyline(x-70, (180, y/2.), x, (180, y/2.))
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self.ctx.stroke()
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self.move(overallwidth, overallheight, move)
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def holderBaseCB(self):
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self.hole(20, 30, self.a/2)
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self.rectangularHole(self.hl-70, self.hh-10, 110, self.a, r=self.a/2)
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self.rectangularHole(self.hl/2, 3.6, 32, 7.1)
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def holderTopCB(self):
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self.fingerHolesAt(0, 30-0.5*self.thickness, self.hl, 0)
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d = self.diameter/2.0 + 1
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y = -0.6*self.diameter + 2*self.hh
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print(y)
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self.hole(self.hl/2+d, y, self.axle/2.0)
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self.hole(self.hl/2-d, y, self.axle/2.0)
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self.hole(self.hl/2+d, y, self.diameter/2.0)
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self.hole(self.hl/2-d, y, self.diameter/2.0)
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def render(self):
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# adjust to the variables you want in the local scope
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t = self.thickness
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d = self.diameter
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a = self.a = self.axle
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# Initialize canvas
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self.open()
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#self.spacing = 0.1 * t
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# Change settings of default edges if needed. E.g.:
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self.edges["f"].settings.setValues(self.thickness, space=2, finger=2,
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surroundingspaces=1)
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if self.knifethickness:
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self.addPart(HangerEdge(self, self.knifethickness))
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else:
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self.edges["H"] = self.edges["F"]
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# render your parts here
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self.moveTo(5*t, 5*t)
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# Holder
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hw = self.hw = 60.
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hh = self.hh = 40.
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hl = self.hl = 240
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# Base
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self.rectangularWall(hl, hh, edges="hfef", callback=[self.holderBaseCB, None, lambda:self.rectangularHole(hl/2+50, hh-t/2-1, 60, t+2)], move="up")
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self.rectangularWall(hl, hh, edges="hfef", callback=[self.holderBaseCB], move="up")
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self.rectangularWall(hl, hw, edges="ffff", callback=[
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lambda: self.hole(hl/2-16-20, 25, 5)], move="up")
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self.ctx.save()
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self.rectangularWall(hw, hh, edges="hFeF", callback=[
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lambda: self.hole(hw/2, 15, 4)],move="right")
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self.rectangularWall(hw, hh, edges="hFeF", move="right")
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# Top
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th = 30
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# sides
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self.rectangularWall(hw+20, th, edges="fFeF", move="right",
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callback=[lambda:self.fingerHolesAt(20-0.5*t,0,th)])
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self.rectangularWall(hw+20, th, edges="fFeF", move="right",
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callback=[lambda:self.fingerHolesAt(20-0.5*t,0,th)])
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self.ctx.restore()
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self.rectangularWall(hw, hh, edges="hFeF", move="up only")
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outset = OutsetEdge(self, None)
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roller2 = RollerEdge2(self, None)
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self.rectangularWall(hl, th, edges=[roller2, "f", "e", "f"], callback=[
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lambda:self.hole(20, 15, a/2), None, lambda:self.rectangularHole(50, th-15, 70, a, r=a/2)], move="up")
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self.rectangularWall(hl, th, edges=[roller2, "f", "e", "f"], callback=[
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lambda:self.hole(20, 15, a/2), None, lambda:self.rectangularHole(50, th-15-t, 70, a, r=a/2)], move="up")
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self.rectangularWall(hl, th, edges=[roller2, "f", RollerEdge(self, None), "f"], callback=[
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self.holderTopCB], move="up")
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self.rectangularWall(hl, 20-t, edges="feee", move="up")
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tl = 70
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self.rectangularWall(tl, hw+20, edges="FeFF", move="right",
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callback=[None, lambda:self.fingerHolesAt(20-0.5*t,0, tl)])
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self.rectangularWall(tl, hw+20, edges="FeFF", move="",
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callback=[None, lambda:self.fingerHolesAt(20-0.5*t,0, tl)])
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self.rectangularWall(tl, hw+20, edges="FeFF", move="left up only",
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callback=[None, lambda:self.fingerHolesAt(20-0.5*t,0, tl)])
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# Links
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self.link(hl-40, 25, a, True, move="up")
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self.link(hl-40, 25, a, True, move="up")
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self.link(hl-40, 25, a, True, move="up")
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self.link(hl-40, 25, a, True, move="up")
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self.ctx.save()
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self.rectangularWall(hw-2*t-2, 60, edges="efef",move="right")
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self.rectangularWall(hw-4*t-4, 60, edges="efef",move="right")
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# Spindel auxiliaries
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self.parts.waivyKnob(50, callback=lambda:self.nutHole("M8"), move="right")
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self.parts.waivyKnob(50, callback=lambda:self.nutHole("M8"), move="right")
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self.ctx.restore()
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self.rectangularWall(hw-2*t-4, 60, edges="efef",move="up only")
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self.ctx.save()
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slot = edges.SlottedEdge(self, [(30-t)/2, (30-t)/2], slots=15)
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self.rectangularWall(30, 30, edges=["e", "e", slot, "e"],
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callback=[lambda:self.hole(7, 23, self.axle/2)], move="right")
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self.rectangularWall(30, 30, edges=["e", "e", slot, "e"],
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callback=[lambda:self.hole(7, 23, self.axle/2)], move="right")
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slot = edges.SlottedEdge(self, [10, 20, 10], slots=15)
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self.rectangularWall(40+2*t, 30, edges=[slot, "e", "e", "e"],
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callback=[lambda:self.hole(20+t, 15, 4)], move="right")
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for i in range(3):
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self.rectangularWall(20, 30,
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callback=[lambda:self.nutHole("M8", 10, 15)], move="right")
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self.rectangularWall(20, 30,
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callback=[lambda:self.hole(10, 15, 4)], move="right")
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self.ctx.restore()
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self.rectangularWall(30, 30, move="up only")
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# Other side
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if self.knifethickness:
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ow = 10
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self.rectangularWall(3.6*d, 1.1*d, edges="hfFf", callback=[
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lambda:self.rectangularHole(1.8*d, 3.6, 32, 7.1)], move="up")
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self.rectangularWall(3.6*d, 1.1*d, edges="hfFf", callback=[
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lambda:self.rectangularHole(1.8*d, 3.6, 32, 7.1)], move="up")
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self.rectangularWall(3.6*d, ow, edges="ffff", move="up")
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self.rectangularWall(3.6*d, ow, edges="ffff", move="up")
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self.ctx.save()
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self.rectangularWall(ow, 1.1*d, edges="hFFH", move="right")
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self.rectangularWall(ow, 1.1*d, edges="hFFH", move="right")
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self.ctx.restore()
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self.rectangularWall(ow, 1.1*d, edges="hFFH", move="up only")
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# Motor block
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mw = 40
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self.rectangularWall(3.6*d, 1.1*d, edges=["h", "f", MotorEdge(self, None),"f"], callback=[self.mainPlate], move="up")
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self.rectangularWall(3.6*d, 1.1*d, edges=["h", "f", MotorEdge(self, None),"f"], callback=[self.frontPlate], move="up")
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self.rectangularWall(3.6*d, mw, edges="ffff", move="up")
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self.ctx.save()
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self.rectangularWall(mw, 1.1*d, edges="hFeH", move="right")
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self.rectangularWall(mw, 1.1*d, edges="hFeH", move="right")
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self.pulley(88, "GT2_2mm", r_axle=a/2.0,move="right")
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self.pulley(88, "GT2_2mm", r_axle=a/2.0,move="right")
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self.ctx.restore()
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self.rectangularWall(mw, 1.1*d, edges="hFeH", move="up only")
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self.axle = 19
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for i in range(3):
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self.parts.disc(self.diameter-2*self.rubberthickness,
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hole=self.axle, move="right")
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self.parts.disc(self.diameter-2*self.rubberthickness,
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hole=self.axle, move="up right")
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for i in range(3):
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self.parts.disc(self.diameter-2*self.rubberthickness,
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hole=self.axle, move="left")
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self.parts.disc(self.diameter-2*self.rubberthickness,
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hole=self.axle, move="left up")
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for i in range(3):
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self.parts.disc(self.diameter-2*self.rubberthickness+4,
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hole=self.axle, move="right")
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self.parts.disc(self.diameter-2*self.rubberthickness+4,
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hole=self.axle, move="right up")
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self.close()
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def main():
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b = Box()
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b.parseArgs()
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b.render()
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if __name__ == '__main__':
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main()
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