A shell for USB drive to be used as an cheaper alternative to the SSD module, but keep in mind the performance and longevity will be worse. 

Made from Sandisk Ultra Dual Drive Go

• Take apart the USB drive apart.

• Print the files, they are in the correct orientation. Print with 0.2mm layer height or less.
• Flash the OS you want on the USB drive.
• Snap the the drive into the printed shell, no screws required.