*UPDATE* Added an internal space on the far side of the hinge to accept a 3mm x 3mm cylindrical magnet on each half of the clamshell to more securely keep it closed. To add the magnet, you must stop the print before this cavity is closed
Small clamshell for a Ryzen 7 CPU, based on the Linus Tech Tips clamshell seen in various videos
A 1mm diameter rod is required to make the hinge work, or printing a 1mm diameter pin would work too
The author hasn't provided the model origin yet.