444 model
FreePipe Reducer (4" to 3")
Printables
FreeReducer for saving attachment to bath faucet.
Printables
Freereducer - 50 to 40 mm fan for Electronics Cover
Thingiverse
FreeReducer for 75 mm female – 100 mm male pipe
Cults3D
$2,81Sci-Fi Industrial Pipe Reducer, 90 Degree Elbow Adapter, Modular Pipeline Flange Connector, Grimdark Factory Scenery
Cults3D
FreeReducer Ring
Printables
FreeReducer Bushing to fit AP Bobinquick Junior and Kaiser Film Loader for Kodak 35mm film U-Core (2inch/52mm) and the 400ft to 100ft Respooler
Printables
Freereducer - 2020 Curiosity Project
Thingiverse
FreeReducer Cooler 120mm-80mm
MyMiniFactory
$1,11Duct Adapter 75 / 90 mm - reducer or expander, works both ways
Cults3D
$2,23Duct Adapter 60 / 90 mm - reducer or expander, works both ways
Cults3D
$2,23Duct Adapter 60 / 75 mm - reducer or expander, works both ways
Cults3D
FreeSkyWatcher diameter reducer, 5.5 kg counterweight
Printables
FreeReducer thing from 80mm PC-Fan to 60mm
Thingiverse
Freead5x noise reducer poop gate cutter slammer slapper damper
Printables
FreeMEKANIKA - Conical Dust Reducer 100mm Male → 50mm Female
Printables
FreeFlashforge AD5X covers and noise reducers set
Printables
FreeElegoo Centauri Carbon 2 Exhaust duct Fitting and Reducer to 3"
Printables
FreeTin Can Phone Port Reducer
Thingiverse
$1,00Industrial UPVC Concentric Pipe Reducer Coupling 10mm to 20mm (ID)
Cults3D
$1,00Industrial UPVC Concentric Pipe Reducer Coupling 6mm to 16mm (ID)
Cults3D
$1,00Industrial UPVC Concentric Pipe Reducer Coupling 4mm to 8mm (ID)
Cults3D
$1,00Industrial UPVC Concentric Pipe Reducer Coupling 2mm to 6mm (ID)
Cults3D
$1,00Industrial UPVC Concentric Pipe Reducer Coupling 25mm to 50mm (ID)
Cults3D
$1,00Industrial UPVC Concentric Pipe Reducer Coupling 40mm to 50mm (ID)
Cults3D
$1,00Industrial UPVC Concentric Pipe Reducer Coupling 32mm to 50mm (ID)
Cults3D
$1,00Industrial UPVC Concentric Pipe Reducer Coupling 25mm to 32mm (ID)
Cults3D
$1,00Industrial UPVC Concentric Pipe Reducer Coupling 15mm to 20mm (ID)
Cults3D
$6,42Mate & Tea Caddy with Carved Leaves - Gourd + Thermos Flask Holder with Carry Handle, Reducer Sleeves Included
Cults3D
FreeQIDI Q2 Back Panel Exhaust Reducer
Printables
FreeElegoo (53mm hole) cardboard spool friction reducer
Printables
FreeAD5M Rear Bed Cover/ Noise Reducer
Printables
FreeSaturn 4 Ultra Ventilation Reducer Pipes
Printables
FreeMagnetic 3D Printer Vent Reducers (F8 Fan Mount)
Printables
$9,99VentDucts Modular Twist-Lock Duct System – 100, 125 and 150 mm (4, 5, 6 in) Straight, Reducer and C | Commercial License
Cults3D
$5,62VentDucts Modular Twist-Lock Duct System – 100, 125 and 150 mm (4, 5, 6 in) Straight, Reducer and Cap
Cults3D
$1,19Muzzle Brake - Flash Hider - Recoil compensator - Muzzle device - Compensator - Recoil reducer
Cults3D
FreeQidi X-Max 3 Camera Glare Reducer
Printables
Free40 mm to 30 mm axial fan reducer plate
Printables
FreeMagnet depth reducer/spacer 4 mm to 3 mm
Printables
$15,18BMW E36 Compatible Console Cup Holder Reducer - Replacement STL
Cults3D
$9,99Portable AC Exhaust Hose Adapter Set – 130 mm, 150 mm and 4 in Dryer Vent Reducers and Couplers | Commercial License
Cults3D
$2,24Portable AC Exhaust Hose Adapter Set – 130 mm, 150 mm and 4 in Dryer Vent Reducers and Couplers
Cults3D
FreeEnder 3 Micro sd card hole reducer
Thingiverse
FreeExtractor fan reducer
Printables
FreeFrosch dish soap cap flow reducer
Printables
FreeUniversal reducer nema17
Thingiverse
FreeKitchen Sink Noise Reducer
Printables