OttoLegs: Legs for Otto LC

boxes/generators/ottolegs.py

@@ -0,0 +1,113 @@
+#!/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 *
+from boxes import edges
+
+class LegEdge(edges.BaseEdge):
+
+    def __call__(self, l, **kw):
+        d0 = (l - 12.0) /2
+        self.hole(l/2, 6, 3.0)
+        self.polyline(d0, 90, 0, (-180, 6), 0, 90, d0)
+
+class OttoLegs(Boxes):
+    """Otto LC - a laser cut chassis for Otto DIY - legs"""
+
+    ui_group = "Unstable"
+
+    def __init__(self):
+        Boxes.__init__(self)
+
+        # Uncomment the settings for the edge types you use
+        self.addSettingsArgs(edges.FingerJointSettings)
+
+        # remove cli params you do not need
+        #self.buildArgParser("x", "sx", "y", "sy", "h", "hi")
+        # 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 foot(self, x, y, ly, l, r=5., move=None):
+        if self.move(x, y, move, True):
+            return
+
+        t = self.thickness
+        w = ly + 5.5 + 2 * t
+        self.fingerHolesAt(x/2 - w/2, 0, l, 90)
+        self.fingerHolesAt(x/2 + w/2, 0, l, 90)
+        self.moveTo(r, 0)
+
+        for l in (x, y, x, y):
+            self.polyline(l - 2*r, 45, r*2**0.5, 45)
+        
+        
+        
+        self.move(x, y, move)
+
+    def ankle1(self):
+        # from vertical edge
+        self.hole(15, 10, 2.3) # 3.45 for servo arm
+        
+    def ankle2(self):
+        # from vertical edge
+        self.hole(15, 10, 1.5)
+
+    def servoHole(self):
+        self.hole(6, 6, 11.6/2)
+        self.hole(6, 12, 5.5/2)
+
+    def render(self):
+        # adjust to the variables you want in the local scope
+        t = self.thickness
+        # Initialize canvas
+        self.open()
+
+        lx, ly, lh = 12.4, 22.5, 40.0
+
+        self.ctx.save()
+        # Legs
+
+        c1 = edges.CompoundEdge(self, "EF", (6.0, lh-6.0))
+        e = ["F", c1, "F", "F"]
+        self.rectangularWall(lx, lh-6., [LegEdge(self, None), "f", "F", "f"], move="right")
+        self.rectangularWall(lx, lh, "FfFf", callback=[
+            lambda:self.hole(6, 6, 1.5)], move="right")
+        self.rectangularWall(ly, lh, e, move="right")
+        self.rectangularWall(ly, lh, e, move="right")
+        self.rectangularWall(lx, ly, "Efff", callback=[
+            lambda:self.rectangularHole(6.1, 6.35, 12, 2.4), None,
+            lambda:self.rectangularHole(4, 8, 8, 2.)], move="right")
+        self.rectangularWall(lx, ly, "ffff", callback=[lambda: self.hole(lx/2, ly/2, 2.3)], move="right")
+        self.rectangularWall(lx, ly, "eeee", callback=[lambda: self.hole(lx/2, ly/2, 1.5)], move="right")
+        self.ctx.restore()
+        self.rectangularWall(lx, lh, "ffff", move="up only")
+
+        # feet
+        self.rectangularTriangle(30, 25, "fee", r=20, num=4, callback=[None, self.ankle1], move="right")
+        self.rectangularTriangle(30, 25, "fee", r=20, num=4, callback=[None, self.ankle2], move="right")
+        self.foot(60, 40, ly, 30, move="right")
+        self.foot(60, 40, ly, 30, move="right")
+        self.close()
+
+def main():
+    b = OttoLegs()
+    b.parseArgs()
+    b.render()
+
+if __name__ == '__main__':
+    main()