5 model

Free

Apollo M-1 Hub75 64x64 LED Matrix Case

Thingiverse

Free

Flight Tracker Screen for Raspberry Pi (any model) 64x32 HUB75 RGB Screen 4mm Pitch

Printables

Free

TS802D Sending card box

Printables

Free

Frame for LED panel P3 64x64pix 192x192mm P3(2121)-32S-192x192-v8.1

Printables

Free

Spool hub - 75 mm to 8 mm

Thingiverse