# 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 Stachel(Boxes):
"""Bass Recorder Endpin"""
ui_group = "Misc"
def __init__(self) -> None:
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")
