# 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 PoleHook(Boxes): # change class name here and below
"""Hook for pole like things to be clamped to another pole"""
def __init__(self) -> None:
Boxes.__init__(self)
# Uncomment the settings for the edge types you use
self.addSettingsArgs(edges.FingerJointSettings)
# Add non default cli params if needed (see argparse std lib)
self.argparser.add_argument(
"--diameter", action="store", type=float, default=50.,
help="diameter of the thing to hook")
self.argparser.add_argument(
"--screw", action="store", type=float, default=7.8,
help="diameter of the screw in mm")
self.argparser.add_argument(
"--screwhead", action="store", type=float, default=13.,
help="with of the screw head in mm")
self.argparser.add_argument(
"--screwheadheight", action="store", type=float, default=5.5,
help="height of the screw head in mm")
self.argparser.add_argument(
"--pin", action="store", type=float, default=4.,
help="diameter of the pin in mm")
def fork(self, d, w, edge="e", full=True, move=None):
tw = d + 2 * w
th = 2 * d
if self.move(tw, th, move, True):
return
e = self.edges.get(edge, edge)
self.moveTo(0, e.margin())
if e is self.edges["e"]:
self.bedBoltHole(tw)
else:
e(tw, bedBolts=edges.Bolts(1))
if full:
self.hole(-0.5*w, 2*d, self.pin/2)
self.polyline(0, 90, 2*d, (180, w/2), d, (-180, d/2),
0.5*d, (180, w/2), 1.5 * d, 90)
else:
self.polyline(0, 90, d, 90, w, 90, 0, (-180, d/2),
0.5*d, (180, w/2), 1.5 * d, 90)
self.move(tw, th, move)
def lock(self, l1, l2, w, move=None):
l1 += w/2
l2 += w/2
if self.move(l1, l2, move, True):
return
self.hole(w/2, w/2, self.pin/2)
self.moveTo(w/2, 0)
self.polyline(l2-w, (180, w/2), l2-2*w, (-90, w/2), l1-2*w, (180, w/2),
l1-w, (90, w/2))
self.move(l1, l2, move)
def backplate(self):
tw = self.diameter + 2*self.ww
t = self.thickness
b = edges.Bolts(1)
bs = (0.0, )
self.fingerHolesAt(-tw/2, -2*t, tw, 0, bedBolts=b, bedBoltSettings=bs)
self.fingerHolesAt(-tw/2, 0, tw, 0, bedBolts=b, bedBoltSettings=bs)
self.fingerHolesAt(-tw/2, +2*t, tw, 0, bedBolts=b, bedBoltSettings=bs)
def clamp(self):
d = self.diameter + 2 * self.ww
self.moveTo(10, -0.5*d, 90)
self.edge(d)
self.moveTo(0, -8, -180)
self.edge(d)
def render(self):
# adjust to the variables you want in the local scope
d = self.diameter
t = self.thickness
shh = self.screwheadheight
self.bedBoltSettings = (self.screw, self.screwhead, shh, d/4+shh, d/4) # d, d_nut, h_nut, l, l
self.ww = ww = 4*t
self.fork(d, ww, "f", move="right")
self.fork(d, ww, "f", move="right")
self.fork(d, ww, "f", full=False, move="right")
self.fork(d, ww, full=False, move="right")
self.fork(d, ww, full=False, move="right")
self.parts.disc(d+2*ww, callback=self.backplate, hole=self.screw, move="right")
self.parts.disc(d+2*ww, hole=self.screw, move="right")
self.parts.disc(d+2*ww, callback=self.clamp, hole=self.screw+0.5*t, move="right")
self.parts.disc(d+2*ww, hole=self.screw+0.5*t, move="right")
self.parts.wavyKnob(50, callback=lambda:self.nutHole(self.screwhead),
move="right")
self.parts.wavyKnob(50, callback=lambda:self.nutHole(self.screwhead),
move="right")
self.parts.wavyKnob(50, hole=self.screw+0.5*t, move="right")
ll = ((d**2 + (0.5*(d+ww))**2)**0.5) - 0.5 * d
for i in range(3):
self.lock(ll, ll, ww, move="right")
for i in range(2):
self.parts.disc(ww, move="up")
