Holds the Raspberry Pi 4 and DC to DC converter. Made to look like a factory part.
Use short M3 screws for the lid and components. Fan is held in place with friction.
https://www.amazon.com/dp/B078XQ5MWR/ref=cm_sw_em_r_mt_dp_U_Ghj2Db224BZ9J
https://www.amazon.com/dp/B0723HPMJC/ref=cm_sw_em_r_mt_dp_U_tlj2DbPJWT2NG
https://www.amazon.com/dp/B000067RMY/ref=cm_sw_em_r_mt_dp_U_.ij2Db8B4RHBG
Several Design features came from:
PLA
0.30MM
The author hasn't provided the model origin yet.