Hot Swappable 10" Rack Drive Tray 2.5U w/cradle

This project is a remix and extension of the 10" rack hot-swappable drive tray, redesigned to work with fully 3D-printed HDD cradles.

The goal of this remix is to create a completely printable drive system, eliminating the need for external caddies or additional hardware. The tray has been adapted to properly accommodate custom cradles, ensuring a secure fit and smooth insertion/removal of the drives.

The included HDD cradle is also a remix (https://makerworld.com/en/models/779768-no-part-installation-daier-daier-hard-drive-tray-s#profileId-2979549), specifically designed to integrate with this tray and provide a consistent, modular solution across the entire setup.

This combined approach allows for:

• a fully 3D-printable ecosystem
• easier replication and customization
• quick replacement of individual parts
• a cleaner and more cohesive design

Hardware / Parts Needed

To complete this build you will need a minimal set of standard components:

• SATA backplane / adapter (for hot-swap support)
  Required to enable proper hot-plug functionality for the drives. AliExpress / Amazon
• HDD mounting screws (bottom mount)
  Standard PC hard drive screws (UNC 6-32).
  Note: this design uses bottom mounting only, as side mounting is not supported due to space constraints.
• Threaded inserts (M3 x 3 x 4.2 mm)
  Used instead of traditional nuts for an easier assembly.
• M3 x 10 knurled hex head screws
  Designed to be tightened with pliers from the back, making assembly easier.

All other structural components (tray and cradles) are fully 3D printable.

Note:
This project builds upon the original tray design and extends it with a custom cradle system. Credit goes to the original creators for their work.