Serial Ultrabay Enhanced Enclosure

This case is designed to be laser cut from 3mm and 5mm acrylic. It
forms a four bay enclosure for Lenovo serial Ultrabay enhanced drives (12.7mm). The serial Ultrabay slim and Ultrabay Slim do fit but have gaps above them.

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!

Layer 0 (black) is the through sheet p