99 lines
3.2 KiB
Python
99 lines
3.2 KiB
Python
#!/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 *
|
|
import math
|
|
|
|
class Stachel(Boxes):
|
|
"""Bass Recorder Endpin"""
|
|
|
|
ui_group = "Misc"
|
|
|
|
def __init__(self):
|
|
Boxes.__init__(self)
|
|
|
|
self.argparser.add_argument(
|
|
"--flutediameter", action="store", type=float, default=115.0,
|
|
help="diameter of the flutes bottom in mm")
|
|
self.argparser.add_argument(
|
|
"--polediameter", action="store", type=float, default=25.,
|
|
help="diameter if the pin in mm")
|
|
self.argparser.add_argument(
|
|
"--wall", action="store", type=float, default=7.,
|
|
help="width of the surrounding wall in mm")
|
|
|
|
def layer(self, ri, ro, rp, holes=False, move=""):
|
|
|
|
r = 2.5 # radius
|
|
l = 25 # depth of clamp
|
|
w = 20 # width of clamp
|
|
|
|
wp = rp+8 # width pole
|
|
|
|
tw = 2*ro + 2*rp
|
|
th = 2*ro + l
|
|
|
|
if self.move(tw, th, move, True):
|
|
return
|
|
|
|
self.moveTo(ro, r, 90)
|
|
|
|
a1 = math.degrees(math.asin(w / ro))
|
|
a2 = math.degrees(math.asin(wp / ro))
|
|
l1 = ro*(1-math.cos(math.radians(a1)))
|
|
a3 = math.degrees(math.asin(1./rp))
|
|
self.polyline(ro-ri+l-r, 90, 0, (-355, ri), 0, 90, ro-ri+l-r, # inside
|
|
(90, r), w-2*r, (90, r))
|
|
if holes: # right side main clamp
|
|
poly1 = [(l+l1-2)/2-r, 90, w-2, -90, 2, -90, w-2, 90,
|
|
(l+l1-2)/2]
|
|
self.polyline(*poly1)
|
|
else:
|
|
self.polyline(l+l1-r)
|
|
self.polyline(0, -90+a1, 0 , (90-a1-a2, ro), 0, -90+a2)
|
|
if holes:
|
|
poly2 = [2*rp+15, 90, wp-2, -90, 2, -90, wp-2, 90, 10-2-r]
|
|
self.polyline(*poly2)
|
|
else:
|
|
self.polyline(25+2*rp-r)
|
|
self.polyline(0, (90, r), wp-1-r, 90, 20, 90-a3, 0, (-360+2*a3, rp), 0, 90-a3, 20, 90, wp-1-r, (90, r))
|
|
if holes:
|
|
self.polyline(*list(reversed(poly2)))
|
|
else:
|
|
self.polyline(25+2*rp-r)
|
|
self.polyline(0, -90+a2, 0, (270-a2-a1-5, ro), 0, (-90+a1))
|
|
if holes: # left sidemain clamp
|
|
self.polyline(*list(reversed(poly1)))
|
|
else:
|
|
self.polyline(l+l1-r)
|
|
self.polyline(0, (90, r), w-2*r, (90, r))
|
|
|
|
self.move(tw, th, move)
|
|
|
|
|
|
|
|
def render(self):
|
|
|
|
ri = self.flutediameter / 2.0
|
|
ro = ri + self.wall
|
|
rp = self.polediameter / 2.0
|
|
w = self.wall
|
|
self.layer(ri-20, ro, rp, move="up")
|
|
self.layer(ri, ro, rp, True, move="up")
|
|
self.layer(ri, ro, rp, move="up")
|
|
|
|
|