FreePipeclamp 38mm (used to mount a Reer heating lamp on a sideboard)
Printables
110 model
Free
Free38mm Apple Watch Band Holder
Thingiverse
Free38mm gopro rollcage mount
Printables
Free38mm and 34mm cable clamps for speaker stands
Printables
Free38mm & 50mm Pole Mounts For Reolink RLC-810A
Printables
Free38mm Headphone Holder
Printables
Free38mm diameter filament spool bracket for replicator
Thingiverse
Free31mm festoon LED holder (Trinus rail mount!)
Thingiverse
Free38mm spool holder
Thingiverse
Free38mm Spool Bearing
Thingiverse
Free31mm Filament Spool Rod for HICTOP printers
Thingiverse
Free38mm spool adapter for rigidbot 8.8mm inner hole
Thingiverse
Free38mm-43mm hand pump dispenser for 5l ecover fabric conditioner or similar
Printables
Free38mm desk spacer and cable organizer
Printables
Free38mm optical encoder (non-functional placeholder)
Printables
Free38mm Squeeze wrench
Thingiverse
FreeUltimate 38mm Rotating Spool Holder - MakerBot Replicator 2
Thingiverse
FreeTeenyBee - 31mm prop toothpick
Thingiverse
FreeFlashforge 38mm spool holder
Thingiverse
FreeLomo 38mm lens(from LCA120&instant glass) to No.0 shutter conversion
Printables
FreeIntex 38mm to Gardena
Thingiverse
FreeStrong 31mm Hook
Printables
FreeApple Watch Case (38mm & 40mm)
Printables
FreeHelldivers 2 Orbital 380mm Barrage Plaque
Printables
FreeDell Power Supply Mount - 31mm
Printables
FreeGoPro MTB Bracket 38mm
Printables
FreeAction Camera Chest Plate (38mm Straps, GoPro-Compatible)
Printables
FreeHuawei Watch Charger 38mm
Printables
FreeUndead Warrior Miniature 38mm (part of PATREON releas)
Thingiverse
FreeP3STEEL - X motor mount (380mm Anet A8 smooth rods)
Thingiverse
FreeBelt template - 38mm width
Thingiverse
FreeHuxley 120mm x 38mm outer-edge fan mount
Thingiverse
FreeKonica Hexanon 38mm f2.8 to MFT
Printables
FreeApple Watch 38mm Dock
Printables
FreeSeiko 5 V 31mm gap wrench
Thingiverse
Free50mm guide scope mount 31mm/Finder dovetail
Printables
FreeReplacment Rotating light knob 38mm dimmer switch
Printables
Freespool holder for 31mm holes
Thingiverse
Freespool holder for 38mm holes
Thingiverse
FreeBMW E46 non-M 38mm Fuel Pump Adapter
Thingiverse
Free1.5" / 38mm Cable Management clip for Lighting Truss
Printables
FreePaper Towel Holder for 38mm shelf
Thingiverse
FreeP3STEEL - Y bar stopper (380mm Anet A8 smooth rods)
Thingiverse
FreeLoki Reseach 38mm & 54mm Nozzle Holder for a Husky 22" Cantilever Plastic Tool Box with Metal Latches
Thingiverse
FreeReplicator 2 Spool Mount 38mm Dia
Thingiverse
FreeBrownie Hawkeye Adapter for 31mm push-on filter adapters
Printables
FreeSpeaker grill 38mm
Printables
FreeRelease-Buckle Schnalle Male 38mm fits "Stealth Warrior"
Thingiverse