New generator: BaynonetBox

boxes/generators/bayonetbox.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+# Copyright (C) 2013-2019 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 *
+
+class BayonetBox(Boxes):
+    """Round box made from layers with twist on top"""
+
+    description = """Glue together. All outside rings to the bottom, all inside rings to the top."""
+    ui_group = "Box"
+
+    def __init__(self):
+        Boxes.__init__(self)
+        
+        self.argparser.add_argument(
+            "--diameter",  action="store", type=float, default=50.,
+            help="Diameter of the box in mm")
+        self.argparser.add_argument(
+            "--lugs",  action="store", type=int, default=10,
+            help="number of locking lugs")
+        self.buildArgParser("outside")
+
+    def lowerCB(self):
+        d = self.diameter
+        r = d / 2
+        t = self.thickness
+        p = 0.05*t
+        l = self.lugs
+
+        a = 180 / l
+        
+        self.hole(0, 0, r=d/2 - 2.5*t)
+        self.moveTo(d/2 - 1.5*t, 0, -90)
+
+        for i in range(l):
+            self.polyline(0, (-4/3*a, r-1.5*t), 0, 90, 0.5*t, -90, 0, (-2/3*a, r-t), 0, -90, 0.5*t, 90)
+
+        self.moveTo(0, p)
+            
+        for i in range(l):
+            self.polyline(0, (-2/3*a, r-1.5*t+p), 0, 90, 0.5*t, -90, 0, (-4/3*a, r-t+p), 0, -90, 0.5*t, 90)
+        
+
+    def upperCB(self):
+        d = self.diameter
+        r = d / 2
+        t = self.thickness
+        p = 0.05*t
+        l = self.lugs
+
+        a = 180 / l
+        
+        self.hole(0, 0, r=d/2 - 2.5*t)
+        self.hole(0, 0, r=d/2 - 1.5*t)
+        self.moveTo(d/2 - 1.5*t, 0, -90)
+
+        for i in range(l):
+            self.polyline(0, (-1.3*a, r-1.5*t+p), 0, 90, 0.5*t, -90, 0, (-0.7*a, r-t+p), 0, -90, 0.5*t, 90)        
+
+
+    def render(self):
+        d = self.diameter
+        t = self.thickness
+        p = 0.05*t
+
+        if not self.outside:
+            self.diameter = d = d - 3*t
+        
+        
+        self.parts.disc(d, move="right")
+        self.parts.disc(d, callback=lambda: self.hole(0, 0, d/2-1.5*t), move="right")
+        self.parts.disc(d, callback=self.lowerCB, move="right")
+        self.parts.disc(d, callback=self.upperCB, move="right")
+        self.parts.disc(d, move="right")