# 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 *
[docs]
class Spool(Boxes):
"""A simple spool"""
ui_group = "Misc"
def __init__(self) -> None:
Boxes.__init__(self)
self.addSettingsArgs(edges.FingerJointSettings)
self.buildArgParser(h=100)
self.argparser.add_argument(
"--outer_diameter", action="store", type=float, default=200.0,
help="diameter of the flanges")
self.argparser.add_argument(
"--inner_diameter", action="store", type=float, default=80.0,
help="diameter of the center part")
self.argparser.add_argument(
"--axle_diameter", action="store", type=float, default=40.0,
help="diameter of the axle hole (axle not part of drawing)")
self.argparser.add_argument(
"--sides", action="store", type=int, default=8,
help="number of pieces for the center part")
self.argparser.add_argument(
"--reinforcements", action="store", type=int, default=8,
help="number of reinforcement ribs per side")
self.argparser.add_argument(
"--reinforcement_height", action="store", type=float, default=0.0,
help="height of reinforcement ribs on the flanges")
def sideCB(self):
self.hole(0, 0, d=self.axle_diameter)
r, h, side = self.regularPolygon(self.sides, radius=self.inner_diameter/2)
t = self.thickness
for i in range(self.sides):
self.fingerHolesAt(-side/2, h+0.5*self.thickness, side, 0)
self.moveTo(0, 0, 360 / self.sides)
if self.reinforcement_height:
for i in range(self.reinforcements):
self.fingerHolesAt(
self.axle_diameter / 2, 0, h-self.axle_diameter / 2, 0)
self.fingerHolesAt(
r + t, 0, self.outer_diameter / 2 - r - t, 0)
self.moveTo(0, 0, 360 / self.reinforcements)
def reinforcementCB(self):
for i in range(self.reinforcements):
self.fingerHolesAt(
self.axle_diameter / 2, 0,
(self.inner_diameter - self.axle_diameter) / 2 + self.thickness, 0)
self.moveTo(0, 0, 360 / self.reinforcements)
def render(self):
t = self.thickness
r, h, side = self.regularPolygon(self.sides, radius=self.inner_diameter/2)
for i in range(2):
self.parts.disc(
self.outer_diameter, callback=self.sideCB, move="right")
for i in range(self.sides):
self.rectangularWall(side, self.h, "fefe", move="right")
if self.reinforcement_height:
for i in range(self.reinforcements*2):
edge = edges.CompoundEdge(
self, "fef",
[self.outer_diameter / 2 - r - t,
r - h + t,
h - self.axle_diameter / 2])
self.trapezoidWall(
self.reinforcement_height - t,
(self.outer_diameter - self.axle_diameter) / 2,
(self.inner_diameter - self.axle_diameter) / 2 + t,
["e", "f", "e", edge],
move="right")
for i in range(2):
self.parts.disc(
self.inner_diameter + 2*t,
hole=self.axle_diameter,
callback=self.reinforcementCB,
move="right")
