FreeThe Kuehling&Kuehling RepRap Industrial 3D printer
Thingiverse
6 model
Free
FreeJonas Kuehling Wade Extruder adapted for RepRapWorld Pneufit - Bowden Extrusion
Thingiverse
FreeJonas Kuehling extruder for BuddaschNozzle
Thingiverse
FreeGreg's / Kuehling's / Chema's 3mm Dwarfstruder
Thingiverse
FreeNema14 with 1.75mm filament - Kuehling-Wades Extruder
Thingiverse
FreeFixed Fishbone Gears (47/9 double helix). Wade-Greg-Jonas Kuehling extruder
Thingiverse