I wanted to design a 2.5 inch drive mount that was semi-module, required minimal tools, and took up as little space as possible. I designed and printed about 4 prototypes before coming to this design. It's not perfect but it meets all of my requirements.
These are the towers that hold the drive brackets in place. These could be printed taller or shorter to fit the specifications of the case. Right now it fits 6x, 7mm 2.5 inch drives.
This is the entire assembly. Two mounting towers, one drive sled (fits up to 6), and the lock-down mechanism with adjustable gear.
These are the brackets that attach to the drives. The drives are held in place with 2x drive screws. The sled/bracket was designed to use as little plastic as possible while still supporting the drive.
The lock-down mechanism attaches to the tower and is able to slide up and down the entire tower height. When the mechanism is raised the the top, drives can be inserted.
Once the drives are loaded, the lock-down mechanism slides down until it makes contact with the top most drive sled/bracket. A few turns of the gear locks the entire assembly in place and prevents any movement at all.
In practice I find that this piece works really well. The desktop space is clearly moving away from the 3.5 drive. I even feel that the 2.5 drive is on it's way out with the proliferation of M.2-key style drives. 3.5 inch drives clearly have a place in the server/NAS market but the Wooden Case Project is aimed more at the desktop/workstation. As with all of our designs, this will continue and improve and iterate over time. If you want to follow this project and receive updates, just click the follow button.
Status - On Kickstarter!
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