2.5" SSD sled for Seagate Thunderbolt Adapter

I wanted a fast Thunderbolt SSD but was not satisfied with the all-in-one options so I built a modular solution. This is a sled for a bare 2.5" form factor hard disk drive (HDD) or solid state drive (SSD) mounted on a Seagate Backup Plus Portable Thunderbolt Adapter (STAE128).

Blackmagicdesign's Disk Speed Test reports a 350MB/s write and 380MB/s read speeds from my late 2013 13" MacBook Pro.

It took seven iterations but the fit is now suitably snug providing support to the bare drive and