New generator: LaserHoldfast - A holdfast for honey comb tables

boxes/generators/laserholdfast.py

@@ -0,0 +1,43 @@
+#!/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 *
+
+class LaserHoldfast(Boxes):
+    """A holdfast for honey comb tables of laser cutters"""
+
+    ui_group = "Part"
+
+    def __init__(self):
+        Boxes.__init__(self)
+
+        self.buildArgParser(x=25, h=40)
+        self.argparser.add_argument(
+            "--hookheight",  action="store", type=float, default=5.0,
+            help="height of the top hook")
+        self.argparser.add_argument(
+            "--shaftwidth",  action="store", type=float, default=5.0,
+            help="width of the shaft")
+
+    def render(self):
+        # adjust to the variables you want in the local scope
+        x, hh, h, sw = self.x, self.hookheight, self.h, self.shaftwidth 
+        t = self.thickness
+
+        a = 30
+        r = x/math.radians(a)
+
+        self.polyline(hh+h, (180, sw/2), h, -90+a/2, 0, (-a, r), 0, (180, hh/2), 0, (a, r+hh), 0 , -a/2, sw-math.sin(math.radians(a/2))*hh , 90)