6 model

Free

Cards Against Humanity Czar Coin

Thingiverse

Free

Rostock Mini Pro by 3D Printer Czar

Thingiverse

Free

Filament guide with dust filter (with bearing)

Thingiverse

Free

Modular Robot Linear Module (ZaMoBot)

Thingiverse

Free

Modular Robot Under-Actuated Modules (ZaMoBot)

Thingiverse

Free

Fan Guard and Shroud for Replicator Dual-Extruder

Thingiverse