Add Pulley generator

boxes/generators/__init__.py

@@ -14,6 +14,7 @@ __all__ = [
     "folder",
     "lamp",
     "magazinefile",
+    "pulley",
     "silverwarebox",
     "trayinsert",
     "traylayout",

boxes/generators/pulley.py

@@ -0,0 +1,81 @@
+#!/usr/bin/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 *
+from boxes import pulley
+import math
+
+class Pulley(Boxes):
+    """Timing belt pulleys for different profiles"""
+    def __init__(self):
+        Boxes.__init__(self)
+        # remove cli params you do not need
+        self.buildArgParser("h")
+        self.argparser.add_argument(
+            "--profile",  action="store", type=str, default="GT2_2mm",
+            choices=pulley.Pulley.getProfiles(),
+            help="profile of the teeth/belt")
+        self.argparser.add_argument(
+            "--teeth",  action="store", type=int, default=20,
+            help="number of teeth")
+        self.argparser.add_argument(
+            "--axle",  action="store", type=float, default=5,
+            help="diameter of the axle")
+        self.argparser.add_argument(
+            "--top",  action="store", type=float, default=0,
+            help="overlap of top rim (zero for none)")
+        
+        # Add non default cli params if needed (see argparse std lib)
+        #self.argparser.add_argument(
+        #    "--XX",  action="store", type=float, default=0.5,
+        #    help="DESCRIPTION")
+        
+
+    def disk(self, diameter, hole, callback=None, move=""):
+        w = diameter + 2*self.spacing
+        if self.move(w, w, move, before=True):
+            return
+        self.ctx.save()
+        self.moveTo(w/2, w/2)
+        self.cc(callback, None, 0.0, 0.0)
+        if hole:
+            self.hole(0, 0, hole/2.0)
+        self.moveTo(diameter/2+self.burn, 0, 90)
+        self.corner(360, diameter/2)
+        self.ctx.restore()
+        self.move(w, w, move)
+        
+    def render(self):
+        # adjust to the variables you want in the local scope
+        t = self.thickness
+        # Initialize canvas
+        self.open()
+        if self.top:
+            self.disk(
+                self.pulley.diameter(self.teeth, self.profile)+2*self.top,
+                self.axle, move="right")
+        for i in range(math.ceil(self.h/self.thickness)):
+            self.pulley(self.teeth, self.profile, r_axle=self.axle/2.0, move="right")
+
+        self.close()
+
+def main():
+    b = Box()
+    b.parseArgs()
+    b.render()
+
+if __name__ == '__main__':
+    main()

scripts/boxesserver

@@ -28,7 +28,7 @@ except ImportError:
 
 from boxes.generators import box, box2, box3, drillbox
 from boxes.generators import flexbox, flexbox2, flexbox3, flexbox4
-from boxes.generators import flextest, flextest2, folder
+from boxes.generators import flextest, flextest2, folder, pulley
 from boxes.generators import magazinefile, trayinsert, traylayout, typetray, silverwarebox
 
 
@@ -90,6 +90,7 @@ class BServer:
             "Folder": folder.Folder(),
             "MagazinFile" : magazinefile.Box(),
             "TrayInsert" : trayinsert.TrayInsert(),
+            "Pulley" : pulley.Pulley(),
             "TypeTray" : typetray.TypeTray(),
             "SilverwareBox" : silverwarebox.Silverware(),
             "TrayLayout" : traylayout.LayoutGenerator(),