Gear Driven Focus Tool for Raspberry Pi Camera v2

Thought it would be cool to adjust the focus on my pi cam by turning a gear. Finally got around to designing it.  

Printing Instructions: 

• Resolution: 0.15
• Supports: No
• Rafts: No

Assembly Instructions: (Best to assemble on a flat surface.)

• Press fit Focus Bit through Gear B until it hits your table. 
• Place the above assembly on to Shell A, align the Focus Bit with the hole of Shell A and push it through once more until Focus Bit hits your table again.
• Place Gear A onto the shaft of Shell A, the teeth should mesh nicely with Gear B.
• Press fit Shell B to Shell A using the posts/holes.

How to use: (Two hands are required)

Hand 1: Hold the tool against the PiCam, align the protruding Focus Bit with the Raspberry Pi camera lens.

Hand 2: Rotate Gear A

Optional other use:

Fidget Toy

Cheers.