boxespy/boxes/generators/rackbox.py

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2018-02-03 22:31:53 +01:00
#!/usr/bin/env python3
# Copyright (C) 2013-2017 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 RackBox(Boxes):
"""Closed box with screw on top and mounting holes"""
ui_group = "Box"
def __init__(self):
Boxes.__init__(self)
self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=1.2)
self.buildArgParser("x", "y", "h", "outside")
self.argparser.add_argument(
"--triangle", action="store", type=float, default=25.,
help="Sides of the triangles holding the lid in mm")
self.argparser.add_argument(
"--d1", action="store", type=float, default=2.,
help="Diameter of the inner lid screw holes in mm")
self.argparser.add_argument(
"--d2", action="store", type=float, default=3.,
help="Diameter of the lid screw holes in mm")
self.argparser.add_argument(
"--d3", action="store", type=float, default=4.,
help="Diameter of the mounting screw holes in mm")
self.argparser.add_argument(
"--holedist", action="store", type=float, default=7.,
help="Distance of the screw holes from the wall in mm")
def wallxCB(self):
t = self.thickness
self.fingerHolesAt(0, self.h-1.5*t, self.triangle, 0)
self.fingerHolesAt(self.x, self.h-1.5*t, self.triangle, 180)
def wallxfCB(self): # front
t = self.thickness
hd = self.holedist
for x in (hd, self.x+3*hd+2*t):
for y in (hd, self.h-hd+t):
self.hole(x, y, self.d3/2.)
self.moveTo(t+2*hd, t)
self.wallxCB()
def wallyCB(self):
t = self.thickness
self.fingerHolesAt(0, self.h-1.5*t, self.triangle, 0)
self.fingerHolesAt(self.y, self.h-1.5*t, self.triangle, 180)
def render(self):
self.open()
t = self.thickness
self.h = h = self.h + 2*t # compensate for lid
x, y, h = self.x, self.y, self.h
d1, d2, d3 =self.d1, self.d2, self.d3
hd = self.holedist
tr = self.triangle
trh = tr / 3.
if self.outside:
self.x = x = self.adjustSize(x)
self.y = y = self.adjustSize(y)
self.h = h = h - 3*t
self.rectangularWall(x, h, "fFeF", callback=[self.wallxCB],
move="right")
self.rectangularWall(y, h, "ffef", callback=[self.wallyCB], move="up")
self.flangedWall(x, h, "FFeF", callback=[self.wallxfCB], r=t,
flanges=[0., 2*hd, -t, 2*hd])
self.rectangularWall(y, h, "ffef", callback=[self.wallyCB],
move="left up")
self.rectangularWall(x, y, "fFFF", move="right")
self.rectangularWall(x, y, callback=[
lambda:self.hole(trh, trh, d=d2)] * 4, move='up')
self.rectangularTriangle(tr, tr, "ffe", num=4,
callback=[None, lambda: self.hole(trh, trh, d=d1)])
self.close()