My Customized Zahnrad 7 zu ByJ28 (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 settings: Backlash is set to 0.1. Auto hole height has been adjusted to 1. Generate handle option is disabled. Clearance tolerance is set at 0.5. Inner section option is turned off. Screw support length is set to 1.5. Inner section thickness is adjusted to 2. Radial spacing between sections is 75 units. Number of spacers required is 4. Skip generation after last layer has been enabled. Details and texture precision are set at 0.25. Radius of screw holes is 1 unit. Double helix design option is selected. Angular spacing between threads is 75 degrees. Hole height above base plate is 2 units. Inner core thickness is 2 units. Number of teeth on the helix is 7. Pressure angle for thread cutting is 20 degrees. Screw head style has been chosen as 2.5. Radial shift for spacing adjustment is disabled. Total hole size above base plate is 2.5 units. Height of handle attachment point is set to 20 units. Modulus of elasticity for material is set at 3. Radius of handle attachment area is 1.5 units. Minor hole radius for reinforcement is 3 units. Total thickness of the assembly is 5 units. Reinforcement thickness has been adjusted to 4 units. Spacer style preference has been chosen as 3. Additional reinforcement thickness is 3 units. Generate screw holes option has been disabled. Helix angle adjustment is set to 0 degrees. Hole shape for cutting has been selected as 2.