Pocket Operator Case

This is a case for the Pocket Operator series of synthesizers made by Teenage Engineering. Its main features are:

- Keys move freely
- LEDs are still visible
- Audio sockets accessible with standard sized rubberized jacks
- Possible to keep the break-away hanger if wanted
- Possible to keep the wire-stand attached
- No glue or screws
- Printable with low-end FDM printer

Source files are created with FreeCAD 0.15.

Note: A version of case, buttons and light guides optimized for SLS/SLA printing also available at shapeways: https://www.shapeways.com/shops/cdb

Compatible with these things:
* PO-20 symbol buttons: http://www.thingiverse.com/thing:1410100
* Numbered buttons: http://www.thingiverse.com/thing:1617681
* Light guides (difficult!): http://www.thingiverse.com/thing:2091660
* Mic Frontplate: https://www.thingiverse.com/thing:2779257
* Experimental eurorack frontplate: https://www.thingiverse.com/thing:3039287
* Button Customizer: https://www.thingiverse.com