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