My Customized Involute gears (spur and helix)

thingiverse

Customized version of http://www.thingiverse.com/thing:1427458 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1427458 Instructions Using the following options: Backlash is set to 0.1. Auto hole height is set to 1. Generate handle is disabled. Clearance is set to 0.5. Inner section is not enabled. Screw support is set to 1.5 inches. Inner section thickness is set to 1.5 inches. Radial spacing is set to 75 degrees. Details are set to 0.25 inches. Skip after is disabled. Number of spacers is 4. Angular spacing is set to 75 degrees. Inner thickness is set to 2 inches. Hole height is set to 2 inches. Double helix is enabled. Teeth are set to 10. Screw hole radius is set to 1 inch. Pressure angle is set to 20 degrees. Hole diameter is set to 2.5 inches. Spacing radial shift is disabled. Screw head size is set to 2.5 inches. Handle height is set to 20 inches. Handle radius is set to 1.5 inches. Minor hole radius is set to 3 inches. Modulus is set to 2. Reinforce thickness is set to 4. Thickness is set to 18 inches. Spacer style is set to 3. Generate screw hole is enabled. Hole shape is set to 0. Helix angle is set to 0 degrees.