My Customized OpenSCAD Helical Gears

thingiverse

Customized version of http://www.thingiverse.com/thing:1339 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1339 Instructions: Using the following settings: Pitch diameter is set to 22. Star number is fixed at 6. Angle of twist is precisely -30 degrees. Number of circles is exactly 2. Shaft diameter remains constant at 2. Double helical ratio is set to 2.2. Dedendum depth is accurately measured as 2. Tooth width is precisely measured at 2. Total number of teeth is a fixed value of 12. Extrusion height outside the gear is exactly 3. Width of extrusion outside the gear remains constant at 7. Gear height is carefully set to 2.5. Extrusion direction outside the gear is precisely set to 1. Rome angle is accurately measured as 0 degrees. Center shape is fixed at 3. Dedendum depth for Rome is exactly 2. Addendum value remains a constant 2. Circle diameter is precisely measured at 5.