Ricoh Theta SC Butterfly Case (Arca compatible)

This is used to protect the 2 lenses on the Ricoh Theta SC.
It can be deployed quickly and the 2 covers are used as a grip to hold the Theta SC.
When opened, the ends of the covers can be clamped in an Arca-swiss compatible ballhead.

A video clip of the case.
https://youtu.be/JFEMPIlKMq4

Hardware required:

1. Brass Chicago Screw: Dia 4.5mm x L25 Qty x2 sets
2. Rare Earth Neodymium Magnet Dia 5 x 5mm Qty x4 pcs
3. Bolt 1/4"-20 x1/2" Qty x1 pc
4. Countersunk Screws M3 x 12mm Qty x4 (not shown in exploded view.)
5. Recycled bicycle inner tube (need a small piece to fit between "theta_BF_Top" and Ricoh Theta SC base.

Things to print:

1. theta_BF_BaseV2.3 x01
2. theta_BF_Top x01
3. theta_BF_Dial x01
4. theta_BF_CoverV1.7 x02

Things to note:

1. Countersunk Screws M3 x 12mm are used to secure the "theta_BF_Top" to "theta_BF_BaseV2.3"
2. Apply Loctite to the Chicago Screw threads.
3. For "theta_BF_BaseV2.3" and the "theta_BF_CoverV1.7" need to use needle file to clean up the holes for the Chicago Screws.
4. Use UHU Hart glue to glue the Rare Earth Magnets (http://www.uhu.com/en/products/model-building-adhesives/detail/uhu-hart-1.html?step=84&cHash=3256736a01e02c7f72c8319c9e3d707b)
5. Ensure the Rare Earth Magnets are inserted in the right directions.