5 model

Free

Fiberflex 40D printing profile. (for MK3S, but might work on newer too)

Printables

Free

"Corsaire 40d" - Raspberry Pi 4 Case Based on Corsair 4000d Airflow

Thingiverse

Free

Pioneer DJ DM-40D speaker wall mount

Printables

Free

Snap cover for ANV SSR-40DA solid state relay

Thingiverse

Free

Boat Propeller Hydro/Dog Drive System D: 40 d: 4mm H:18. 3 Versions

Thingiverse