New generator: Stachel - an end pin for bass recorders
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#!/usr/bin/env python3
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# Copyright (C) 2013-2016 Florian Festi
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from boxes import *
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import math
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class Stachel(Boxes): # Change class name!
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"""Bass Recorder Endpin"""
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ui_group = "Unstable" # see ./__init__.py for names
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def __init__(self):
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Boxes.__init__(self)
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# Uncomment the settings for the edge types you use
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# use keyword args to set default values
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# self.addSettingsArgs(edges.FingerJointSettings, finger=1.0,space=1.0)
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# self.addSettingsArgs(edges.StackableSettings)
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# self.addSettingsArgs(edges.HingeSettings)
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# self.addSettingsArgs(edges.LidSettings)
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# self.addSettingsArgs(edges.ClickSettings)
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# self.addSettingsArgs(edges.FlexSettings)
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# remove cli params you do not need
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#self.buildArgParser(x=100, sx="3*50", y=100, sy="3*50", h=100, hi=0)
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# Add non default cli params if needed (see argparse std lib)
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self.argparser.add_argument(
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"--flutediameter", action="store", type=float, default=115.0,
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help="DESCRIPTION")
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self.argparser.add_argument(
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"--polediameter", action="store", type=float, default=25.,
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help="DESCRIPTION")
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self.argparser.add_argument(
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"--wall", action="store", type=float, default=7.,
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help="DESCRIPTION")
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def layer(self, ri, ro, rp, holes=False, move=""):
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l = 20
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tw = 2*ro + 2*rp
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th = 2*ro + l
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r = 2.5
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if self.move(tw, th, move, True):
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return
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self.moveTo(ro, r, 90)
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a1 = math.degrees(math.asin(30 / ro))
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a2 = math.degrees(math.asin(25 / ro))
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l1 = ro*(1-math.cos(math.radians(a1)))
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a3 = math.degrees(math.asin(1./rp))
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print(a1, a2, a3, ro)
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self.polyline(ro-ri+l-r, 90, 0, (-355, ri), 0, 90, ro-ri+l-r, # inside
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(90, r), 30-2*r, (90, r))
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if holes: # right side main clamp
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poly1 = [(l+l1-2)/2-r, 90, 27, -90, 2, -90, 27, 90,
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(l+l1-2)/2]
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self.polyline(*poly1)
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else:
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self.polyline(l+l1-r)
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self.polyline(0, -90+a1, 0 , (90-a1-a2, ro), 0, -90+a2)
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if holes:
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poly2 = [2*rp+15, 90, 22, -90, 2, -90, 22, 90, 10-r]
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self.polyline(*poly2)
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else:
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self.polyline(25+2*rp-r)
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self.polyline(0, (90, r), 24-r, 90, 20, 90-a3, 0, (-360+2*a3, rp), 0, 90-a3, 20, 90, 24-r, (90, r))
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if holes:
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self.polyline(*list(reversed(poly2)))
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else:
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self.polyline(25+2*rp-r)
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self.polyline(0, -90+a2, 0, (270-a2-a1-5, ro), 0, (-90+a1))
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if holes: # left sidemain clamp
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self.polyline(*list(reversed(poly1)))
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else:
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self.polyline(l+l1-r)
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self.polyline(0, (90, r), 30-2*r, (90, r))
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self.move(tw, th, move)
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def render(self):
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# adjust to the variables you want in the local scope
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t = self.thickness
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# Initialize canvas
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self.open()
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ri = self.flutediameter / 2.0
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ro = ri + self.wall
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rp = self.polediameter / 2.0
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w = self.wall
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self.layer(ri-20, ro, rp, move="up")
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self.layer(ri, ro, rp, True, move="up")
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self.layer(ri, ro, rp, move="up")
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self.close()
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