129 lines
4.0 KiB
Python
129 lines
4.0 KiB
Python
#!/usr/bin/env python3
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# Copyright (C) 2013-2019 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 BayonetBox(Boxes):
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"""Round box made from layers with twist on top"""
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description = """Glue together - all outside rings to the bottom, all inside rings to the top."""
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ui_group = "Box"
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def __init__(self):
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Boxes.__init__(self)
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self.argparser.add_argument(
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"--diameter", action="store", type=float, default=50.,
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help="Diameter of the box in mm")
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self.argparser.add_argument(
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"--lugs", action="store", type=int, default=10,
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help="number of locking lugs")
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self.argparser.add_argument(
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"--alignment_pins", action="store", type=float, default=1.0,
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help="diameter of the alignment pins")
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self.buildArgParser("outside")
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def alignmentHoles(self, inner=False, outer=False):
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d = self.diameter
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r = d / 2
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t = self.thickness
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p = 0.05*t
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l = self.lugs
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a = 180 / l
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with self.saved_context():
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for i in range(3):
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if outer:
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self.hole(r-t/2, 0, d=self.alignment_pins)
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if inner:
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self.hole(r-2*t-p, 0, d=self.alignment_pins)
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self.moveTo(0, 0, 360/3)
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def lowerLayer(self, asPart=False, move=None):
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d = self.diameter
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r = d / 2
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t = self.thickness
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p = 0.05*t
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l = self.lugs
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a = 180 / l
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if asPart:
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if self.move(d, d, move, True):
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return
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self.moveTo(d/2, d/2)
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self.alignmentHoles(inner=True)
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self.hole(0, 0, r=d/2 - 2.5*t)
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self.moveTo(d/2 - 1.5*t, 0, -90)
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for i in range(l):
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self.polyline(0, (-4/3*a, r-1.5*t), 0, 90, 0.5*t, -90, 0, (-2/3*a, r-t), 0, -90, 0.5*t, 90)
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if asPart:
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self.move(d, d, move)
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def lowerCB(self):
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d = self.diameter
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r = d / 2
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t = self.thickness
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p = 0.05*t
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l = self.lugs
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a = 180 / l
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self.alignmentHoles(outer=True)
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with self.saved_context():
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self.lowerLayer()
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self.moveTo(d/2 - 1.5*t+p, 0, -90)
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for i in range(l):
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self.polyline(0, (-2/3*a, r-1.5*t+p), 0, 90, 0.5*t, -90, 0, (-4/3*a, r-t+p), 0, -90, 0.5*t, 90)
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def upperCB(self):
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d = self.diameter
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r = d / 2
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t = self.thickness
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p = 0.05*t
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l = self.lugs
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a = 180 / l
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self.hole(0, 0, r=d/2 - 2.5*t)
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self.hole(0, 0, r=d/2 - 1.5*t)
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self.alignmentHoles(inner=True, outer=True)
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self.moveTo(d/2 - 1.5*t, 0, -90)
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for i in range(l):
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self.polyline(0, (-1.3*a, r-1.5*t+p), 0, 90, 0.5*t, -90, 0, (-0.7*a, r-t+p), 0, -90, 0.5*t, 90)
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def render(self):
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d = self.diameter
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t = self.thickness
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p = 0.05*t
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if not self.outside:
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self.diameter = d = d - 3*t
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self.parts.disc(d, callback=lambda: self.alignmentHoles(outer=True), move="right")
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self.parts.disc(d, callback=lambda: (self.alignmentHoles(outer=True), self.hole(0, 0, d/2-1.5*t)), move="right")
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self.parts.disc(d, callback=self.lowerCB, move="right")
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self.parts.disc(d, callback=self.upperCB, move="right")
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self.parts.disc(d, callback=lambda : self.alignmentHoles(inner=True),move="right")
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