This is an remix of the tray designed by "twistedsymphony" (https://www.thingiverse.com/thing:2379444).
I made some modifications so I can put my Seagate
...Show more 1TB HDD inside, connected to my USB GD-ROM with an USB-SATA adapter (https://tinyurl.com/y8vl75o7)
So everything gets organized and clean inside the Dreamcast.
Fell free to use, modify or give suggestions.