Free12mm hex RC tireless "Boa I" wheel
Thingiverse
367 model
Free
FreeRC 8mm to 12mm hex adapter for wheels
Thingiverse
FreeRC tire 12mm HEX
Thingiverse
FreeLosi LMT Wheel to 12mm hex adapter
Thingiverse
FreeRemixed shaft with 12mm hex driver insert for Filament Spool Switcher & Winder
Thingiverse
FreeMechanical Iris w/ embedded M3 hex nut & M3 12mm
Thingiverse
Free2.2 2wd Buggy Wheels 12mm Hex
Thingiverse
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FreeVision Soft 8 Classic Steelie 1/10 RC Crawler & Truck Wheel STL - 12mm Hex
Cults3D
FreeHex Nut Ball 12–22 mm
Printables
FreeHex Adapter WPL 5 to 12 mm long version
Thingiverse
FreeHexagon Pattern (+DXF) 12.5 mm hex
Printables
FreeHigh Res Herringbone Big Gear With 12.8 and 13 mm Hex Head for Greg's Wade Reloaded Extruder
Thingiverse
Free12mm Rod/ Shaft Support Block, for OpenBeam
Thingiverse
Free12mm Linear Rod holder
Thingiverse
Free12mm Linear Rail Alignment Tool for 2020 + 3030 T Slot
Thingiverse
Free12mm shaft collar
Printables
Free12mm Bowden Tube Clamp 4mm tube
Printables
Free12mm laser holder ciclop
Thingiverse
Free12mm rod cable clip
Printables
Free12mm Linear Rail Alignment tool
Thingiverse
Free12mm LM12UU Bearing Holder for Lulzbot TAZ 6
Thingiverse
Free12mm to 15mm rod
Printables
Free12mm Bowden Tube Clamp 4mm tube
Thingiverse
Free12mm pulley for 6mm belt
Thingiverse
Free12mm High Part Cooler
Thingiverse
Free12mm boilie roller bottom 12 baits
Thingiverse
Free12mm Y rod mounting hardware for the Lulzbot Taz 6 printer
Thingiverse
Free12mm rod mount
Thingiverse
Free12mm inductive sensor to bltouch style - use with any bed glass or no glass
Thingiverse
Free12mm rod holder mounts w/ M5 SHSC
Thingiverse
Free12mm Silicon Spacer Cutting Jig
Printables
Free12mm Aorus Fan Grill
Thingiverse
Free12mm pulley 608 bearing
Thingiverse
Free12mm Inductive Sensor and Fan Holder for Anet A6
Thingiverse
Free12mm boilie roller top
Thingiverse
Free12mm T bar Clamp cf boom
Thingiverse
Free12mm Probe Holder for Lulzbot Taz 5
Thingiverse
Free12mm Vertical Shaft Support Block for OpenBeam
Thingiverse
Free12mm auto level anet a8 prusa i3
Thingiverse
Free12mm Linear Rod Endstop Mount
Thingiverse
Free12mm Y-Axis Upgrade for RepRap Printers
Thingiverse
Free12mm Inductive Sensor Mount For K8200/3DRAG
Thingiverse
Free12mm John Guest tubing cutting jig
Printables
Free12mm Nut
Thingiverse
Free12mm inductive probe holder
Thingiverse
Free12MM linear rail/rod clamp bolt sleeve M4 bolt in 5mm diameter hole
Thingiverse
Free12mm inductive sensor mount for E3D v6
Thingiverse
Free12mm bolt for Wanhao D9 BLTouch
Thingiverse