2020-11-28 16:06:27 +01:00
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#!/usr/bin/env python3
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# Copyright (C) 2020 Guillaume Collic
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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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import math
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2022-12-31 15:52:55 +01:00
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2020-11-28 16:06:27 +01:00
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from boxes import Boxes
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class PaperBox(Boxes):
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"""
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Box made of paper, with lid.
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"""
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ui_group = "Misc"
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description = """
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2022-01-03 15:23:26 +01:00
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This box is made of paper.
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There is marks in the "outside leftover paper" to help see where to fold
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2023-01-02 00:32:42 +01:00
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(cutting with tabs helps use them). The cut is very precise, and could be too tight if misaligned when glued. A plywood box (such as a simple TypeTray) of the same size is a great guide during folding and gluing. Just fold the box against it. Accurate quick and easy.
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2022-01-03 15:23:26 +01:00
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A paper creaser (or bone folder) is also useful.
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"""
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2020-11-28 16:06:27 +01:00
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def __init__(self):
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Boxes.__init__(self)
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self.buildArgParser("x", "y", "h")
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2022-01-02 12:11:14 +01:00
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self.argparser.add_argument(
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"--design",
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action="store",
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type=str,
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default="automatic",
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choices=("automatic", "widebox", "tuckbox"),
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help="different design for paper consumption optimization. The tuckbox also has locking cut for its lid.",
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)
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2020-11-28 16:06:27 +01:00
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self.argparser.add_argument(
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"--lid_heigth",
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type=float,
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default=15,
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help="Height of the lid (part which goes inside the box)",
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)
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self.argparser.add_argument(
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"--lid_radius",
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type=float,
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default=7,
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help="Angle, in radius, of the round corner of the lid",
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)
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self.argparser.add_argument(
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"--lid_sides",
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type=float,
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default=20,
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help="Width of the two sides upon which goes the lid",
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)
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self.argparser.add_argument(
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"--margin",
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type=float,
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2022-01-02 12:11:14 +01:00
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default=0,
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help="Margin for the glued sides",
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2020-11-28 16:06:27 +01:00
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)
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self.argparser.add_argument(
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"--mark_length",
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type=float,
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default=1.5,
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help="Length of the folding outside mark",
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)
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self.argparser.add_argument(
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"--tab_angle_rad",
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type=float,
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default=math.atan(2 / 25),
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help="Angle (in radian) of the sides which are to be glued inside the box",
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)
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self.argparser.add_argument(
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"--finger_hole_diameter",
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type=float,
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default=15,
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help="Diameter of the hole to help catch the lid",
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)
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def render(self):
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2022-01-02 12:11:14 +01:00
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if self.design == "automatic":
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self.design = "tuckbox" if self.h > self.y else "widebox"
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path = (
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self.tuckbox(self.x, self.y, self.h)
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if self.design == "tuckbox"
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else self.widebox(self.x, self.y, self.h)
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)
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self.polyline(*path)
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def tuckbox(self, width, length, height):
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lid_cut_length = min(10, length / 2, width / 5)
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half_side = (
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self.mark(self.mark_length)
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+ [
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0,
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90,
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]
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+ self.ear_description(length, lid_cut_length)
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+ [
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0,
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-90,
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length,
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0,
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]
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+ self.lid_cut(lid_cut_length)
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+ self.lid(width - 2 * self.thickness)
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+ [0]
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+ self.lid_cut(lid_cut_length, reverse=True)
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+ [
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length,
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-90,
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]
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+ self.ear_description(length, lid_cut_length, reverse=True)
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+ self.mark(self.mark_length)
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)
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return (
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[height, 0]
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+ half_side
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+ self.side_with_finger_hole(width, self.finger_hole_diameter)
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+ self.mark(self.mark_length)
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+ [
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0,
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90,
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]
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+ self.tab_description(length - self.margin - self.thickness, height)
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+ [
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0,
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90,
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]
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+ self.mark(self.mark_length)
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+ [width]
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+ list(reversed(half_side))
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)
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def widebox(self, width, length, height):
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2020-11-28 16:06:27 +01:00
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half_side = (
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self.mark(self.mark_length)
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+ [
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0,
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90,
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]
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+ self.tab_description(length / 2 - self.margin, height)
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+ [
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0,
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-90,
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height,
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0,
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]
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+ self.mark(self.mark_length)
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+ [
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0,
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90,
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]
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+ self.tab_description(self.lid_sides, length)
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+ [
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0,
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90,
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]
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+ self.mark(self.mark_length)
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+ [
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height,
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-90,
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]
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+ self.tab_description(length / 2 - self.margin, height)
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+ [
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length,
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0,
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]
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+ self.mark(self.mark_length)
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)
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2022-01-02 12:11:14 +01:00
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return (
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2020-11-28 16:06:27 +01:00
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self.side_with_finger_hole(width, self.finger_hole_diameter)
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+ half_side
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2022-01-02 12:11:14 +01:00
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+ self.lid(width)
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2020-11-28 16:06:27 +01:00
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+ list(reversed(half_side))
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)
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2022-01-02 12:11:14 +01:00
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def lid(self, width):
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return [
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self.lid_heigth - self.lid_radius,
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(90, self.lid_radius),
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width - 2 * self.lid_radius,
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(90, self.lid_radius),
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self.lid_heigth - self.lid_radius,
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]
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2020-11-28 16:06:27 +01:00
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def mark(self, length):
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if length == 0:
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return []
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return [
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0,
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-90,
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length,
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180,
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length,
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-90,
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]
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2022-01-02 12:11:14 +01:00
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def lid_cut(self, length, reverse=False):
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path = [
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90,
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length + self.thickness,
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-180,
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length,
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90,
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]
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return [0] + (list(reversed(path)) if reverse else path)
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2020-11-28 16:06:27 +01:00
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def side_with_finger_hole(self, width, finger_hole_diameter):
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half_width = (width - finger_hole_diameter) / 2
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return [
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half_width,
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90,
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0,
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(-180, finger_hole_diameter / 2),
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0,
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90,
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half_width,
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0,
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]
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def tab_description(self, height, width):
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deg = math.degrees(self.tab_angle_rad)
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side = height / math.cos(self.tab_angle_rad)
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end_width = width - 2 * height * math.tan(self.tab_angle_rad)
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return [
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0,
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deg - 90,
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side,
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90 - deg,
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end_width,
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90 - deg,
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side,
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deg - 90,
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]
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def ear_description(self, length, lid_cut_length, reverse=False):
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ear_depth = max(lid_cut_length, self.lid_heigth)
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radius = min(self.lid_radius, ear_depth - lid_cut_length)
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start_margin = self.thickness
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end_margin = 2 * self.burn
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path = [
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start_margin,
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-90,
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lid_cut_length,
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90,
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0,
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(-90, radius),
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0,
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90,
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length - radius - start_margin - end_margin,
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90,
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ear_depth,
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-90,
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end_margin,
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]
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return (list(reversed(path)) if reverse else path) + [0]
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