Source code for boxes.generators.polehook

#!/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 *

[docs]class PoleHook(Boxes): # change class name here and below """Hook for pole like things to be clamped to another pole""" def __init__(self): 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.waivyKnob(50, callback=lambda:self.nutHole(self.screwhead), move="right") self.parts.waivyKnob(50, callback=lambda:self.nutHole(self.screwhead), move="right") self.parts.waivyKnob(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")