FreeHeated Build Chamber for Makerbot or similar
Thingiverse
8 model
Free
FreeUltimaker Heated Chamber
Thingiverse
Free3D Printer Air Filter / Heated Chamber (Lulzbot TAZ 5)
Thingiverse
FreeFan Shroud for Heated Chamber Connect an 80mm Fan to 100mm Ducting
Thingiverse
FreeFan Blast Door for Heated Build Chamber
Thingiverse
Freecreality k1 actively heated chamber
Thingiverse
FreeUP! Plus / Afina Heated Build Chamber
Thingiverse
FreeRepsis V1. A Fully enclosed CoreXY 3d printer with a heated chamber
Thingiverse