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A conveyor belt empower pizza transfer tool
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#!/usr/bin/env python3 | ||
# Copyright (C) 2013-2016 Florian Festi | ||
# | ||
# 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 3 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, see <http://www.gnu.org/licenses/>. | ||
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from boxes import * | ||
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class PizzaShovel(Boxes): | ||
"""Pizza shovel with conveyor belt action""" | ||
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description = """ | ||
You need (permanent) baking paper to create the conveyor. With that you can pick up and put down the pizza by moving the handle attached to the belt. | ||
""" | ||
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ui_group = "Misc" | ||
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def __init__(self) -> None: | ||
Boxes.__init__(self) | ||
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self.addSettingsArgs(edges.FingerJointSettings) | ||
self.addSettingsArgs(edges.HandleEdgeSettings, outset=0.0, height=40, hole_width="30:30:30") | ||
self.buildArgParser(x=382, y=400) | ||
self.argparser.add_argument( | ||
"--grip_length", action="store", type=float, default=250.0, | ||
help="Length of the grip. Zero for holes for a screw-in handle") | ||
self.argparser.add_argument( | ||
"--grip_height", action="store", type=float, default=30.0, | ||
help="Height of the grip. Distance between the cross beams.") | ||
self.argparser.add_argument( | ||
"--top_holes", action="store", type=float, default=3.0, | ||
help="Diameter of the screw holes in the bottom of the pusher - where the screws pass through") | ||
self.argparser.add_argument( | ||
"--bottom_holes", action="store", type=float, default=2.0, | ||
help="Diameter of the screw holes in the bottom of the pusher - where the screws hold") | ||
self.argparser.add_argument( | ||
"--grip_holes", action="store", type=float, default=3.0, | ||
help="Diameter of the screw holes for zero griplength") | ||
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def holesCB(self, d): | ||
def cb(): | ||
for i in range(5): | ||
self.hole((self.x-3)/5 * (i+0.5), 20, d=d) | ||
return cb | ||
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def gripCB(self, top): | ||
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def cb(): | ||
t = self.thickness | ||
if self.grip_length: | ||
for d in (-t, +t): | ||
self.fingerHolesAt(self.x/2 + d, 0, 40, 90) | ||
else: | ||
for y in ((10, 30) if top else (15, 35, 60)): | ||
self.hole(self.x/2, y, d=self.grip_holes) | ||
return cb | ||
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def render(self): | ||
x, y, h = self.x, self.y, self.grip_height | ||
grip = self.grip_length | ||
t = self.thickness | ||
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ce = edges.CompoundEdge(self, "fe", [y/2, y/2]) | ||
ec = edges.CompoundEdge(self, "ef", [y/2, y/2]) | ||
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self.rectangularWall(x, y, ["e", ce, "e", ec], move="up") | ||
self.rectangularWall(x, 40, "efef", callback=[self.gripCB(top=True)], move="up") | ||
self.rectangularWall(x, 80, "efef", callback=[self.gripCB(top=False)], move="up") | ||
for i in range(2): | ||
a = math.atan((h+2*t) / (y/2 - 30)) | ||
l = (y/2 - 30) / math.cos(a) | ||
a = math.degrees(a) | ||
self.polygonWall((y/2+40, (90, t), h+2*t, (90, t), 70, a, l, -a, 0, (180, t)), "e", | ||
callback=[lambda: (self.fingerHolesAt(0, 1.5*t, y/2, 0), | ||
self.fingerHolesAt(y/2+t, 1.5*t, 40, 0)), | ||
None, | ||
lambda: self.fingerHolesAt(-t, 1.5*t, 80, 0)], | ||
move="up") | ||
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self.rectangularWall(x-3, 40, "eeee", callback=[self.holesCB(self.bottom_holes)], move="up") | ||
self.rectangularWall(x-3, 40, "yeee", callback=[self.holesCB(self.top_holes)], move="up") | ||
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if grip: | ||
ce1 = edges.CompoundEdge(self, "fe", (40, grip-h/2)) | ||
ce2 = edges.CompoundEdge(self, "ef", (grip-h/2, 40)) | ||
self.flangedWall(40+grip-h/2, h, [ce1, "e", ce2, "e"], flanges=[0, h/2], r=h/2, move="up") | ||
self.flangedWall(40+grip-h/2, h, "eeee", flanges=[0, h/2], r=h/2, move="up") | ||
self.flangedWall(40+grip-h/2, h, [ce1, "e", ce2, "e"], flanges=[0, h/2], r=h/2, move="up") | ||
self.flangedWall(30+grip-h/2, h-2*t, "eeee", flanges=[0, h/2-t], r=h/2-t, move="up") | ||
self.flangedWall(30+grip-h/2, h-2*t, "eeee", flanges=[0, h/2-t], r=h/2-t, move="up") |
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