FreePrEnder 3 - Prusa MK3S Direct Drive Extruder to Fit Creality Printers (Ender 3, CR-10, CR10, Tevo, ANET, etc) with ABL and BLTouch Mounts
Thingiverse
7 model
Free
FreeToppers for Prusa Printers (MK2, MK2s)
Thingiverse
FreeThe "HomeCube" - a smarter printer enclosure for the Prusa I3 Mk3 and other printers
Thingiverse
FreeCalibration print for Monoprice Maker Select Plus and other i3 printers (prusa, etc)
Thingiverse
FreeE3D Chimera and Cyclops compact X-Carriage for Prusa i3 Style printers
Thingiverse
Free"Quick" swap E3D/Titan/BMG/LASER multitool for Prusa i3/Anet A8 style printers with Z probe sensors support
Thingiverse
FreePerfect spool holder for AM8 , Prusa Bear upgrade and other 2040 frame printers
Thingiverse