Arduino RAMPS v1.4 Modular Case v2

Similar to the original (v1), but:

- shorter vertically,
- working lid with two fan mounts,
- longer grill on front,
- no more logo on front (Arduino logo on top),
- changed left-side openings to fit 3x 12-pin connectors,
- mounts on side of top (Prusa) instead of top-middle (see photos).