Rasperry Pi B+ clip case

This case is designed to be laser cut from 3mm acrylic.

I have updated this design and removed all the issues I previously identified with the first edition including testing with released B+ boards which have larger USB connectors than the prototype.

The tolerances are very close but the design has been successfully
realised, though even the protective plastic covering upsets the slot
sizes enough to cause issues.

Using 1/8th inch acrylic does not work with this design!

I used 10mm long M2.5 nylon bolts to hold the board to the base with nylon washers underneath the board as spacers.

- Layer 0 (black) is the through sheet profile cut.
- Layer 1 (red) is the connector and slot cutouts
- Layer 2 (yellow) is the text

The lasercut files are what I used to create my prototypes and may or may not be useful to you. They contain the toolpaths with my name and the licence text in.

There are a couple of small issues with the design:
- The µS