coupler

thingiverse

Customized version of http://www.thingiverse.com/thing:987604 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=987604 Using the following settings: Nut position tweak: Adjusted to 1 Base height: Set to 8 Nut type: Chosen as hex Lower shaft diameter depth: Defined as 4.5 Upper D option: Disabled Nut thickness: Fixed at 2.4 Total height: Determined to be 30 Upper shaft diameter: Limited to 2 Upper shaft diameter depth: Specified at 7.5 Nut diameter: Calculated to be 6.2 Outer diameter: Measured at 22 Number of spiral turns: Set to 8 Bolt diameter: Defined as 3.1 Lower D option: Disabled Spiral degree: Precise value of 90 used Show cross-section view: Option ignored Simplify printing option: Option disabled Lower shaft diameter: Defined at 5 Bolt recess depth: Specified to be 1.5