boxespy/boxes/generators/laserholdfast.py

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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/>.
from boxes import *
class LaserHoldfast(Boxes):
"""A holdfast for honey comb tables of laser cutters"""
ui_group = "Part"
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def __init__(self) -> None:
Boxes.__init__(self)
self.buildArgParser(x=25, h=40)
self.argparser.add_argument(
"--hookheight", action="store", type=float, default=5.0,
help="height of the top hook")
self.argparser.add_argument(
"--shaftwidth", action="store", type=float, default=5.0,
help="width of the shaft")
def render(self):
# adjust to the variables you want in the local scope
x, hh, h, sw = self.x, self.hookheight, self.h, self.shaftwidth
t = self.thickness
a = 30
r = x/math.radians(a)
self.polyline(hh+h, (180, sw/2), h, -90+a/2, 0, (-a, r), 0, (180, hh/2), 0, (a, r+hh), 0 , -a/2, sw-math.sin(math.radians(a/2))*hh , 90)