# Copyright (C) 2013-2014 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/>.
import math
import boxes
[docs]
class FlexBox5(boxes.Boxes):
"""Box with living hinge and round corners"""
ui_group = "FlexBox"
def __init__(self) -> None:
boxes.Boxes.__init__(self)
self.addSettingsArgs(boxes.edges.FingerJointSettings)
self.addSettingsArgs(boxes.edges.FlexSettings)
self.buildArgParser("x", "h", "outside")
self.argparser.add_argument(
"--top_diameter", action="store", type=float, default=60,
help="diameter at the top")
self.argparser.add_argument(
"--bottom_diameter", action="store", type=float, default=60,
help="diameter at the bottom")
self.argparser.add_argument(
"--latchsize", action="store", type=float, default=8,
help="size of latch in multiples of thickness")
def flexBoxSide(self, callback=None, move=None):
t = self.thickness
r1, r2 = self.top_diameter/2., self.bottom_diameter/2
a = self.a
l = self.l
tw , th = l+r1+r2, 2*max(r1, r2)+2*t
if self.move(tw, th, move, True):
return
self.moveTo(r2, t)
self.cc(callback, 0)
self.edges["f"](l)
self.corner(180+2*a, r1)
self.cc(callback, 1)
self.latch(self.latchsize)
self.cc(callback, 2)
self.edges["f"](l - self.latchsize)
self.corner(180-2*a, r2)
self.move(tw, th, move)
def surroundingWall(self, move=None):
t = self.thickness
r1, r2 = self.top_diameter/2., self.bottom_diameter/2
h = self.h
a = self.a
l = self.l
c1 = math.radians(180+2*a) * r1
c2 = math.radians(180-2*a) * r2
tw = 2*l + c1 + c2
th = h + 2.5*t
if self.move(tw, th, move, True):
return
self.moveTo(0, 0.25*t)
self.edges["F"](l - self.latchsize, False)
self.edges["X"](c2, h + 2 * t)
self.edges["F"](l, False)
self.edges["X"](c1, h + 2 * t)
self.latch(self.latchsize, False)
self.edge(h + 2 * t)
self.latch(self.latchsize, False, True)
self.edge(c1)
self.edges["F"](l, False)
self.edge(c2)
self.edges["F"](l - self.latchsize, False)
self.corner(90)
self.edge(h + 2 * t)
self.corner(90)
self.move(tw, th, move)
def render(self):
if self.outside:
self.x = self.adjustSize(self.x)
self.h = self.adjustSize(self.h)
self.top_diameter = self.adjustSize(self.top_diameter)
self.bottom_diameter = self.adjustSize(self.bottom_diameter)
t = self.thickness
self.latchsize *= self.thickness
d_t, d_b = self.top_diameter, self.bottom_diameter
self.x = max(self.x, self.latchsize + 2*t + (d_t + d_b)/2)
d_c = self.x - d_t/2. - d_b/2.
self.a = math.degrees(math.asin((d_t-d_b)/2 / d_c))
self.l = d_c * math.cos(math.radians(self.a))
self.surroundingWall(move="up")
self.flexBoxSide(move="right")
self.flexBoxSide(move="mirror")
