Free30mm to 35mm Vacuum adapter
Thingiverse
186 model
Free
FreePlinth Tray for the Minimalist Contemporary Chess Set (30 mm & 50 mm) — remix
Thingiverse
FreePongratz Trailer square tube plug 30mm x 50mm
Thingiverse
Free30mm Fan Grill
Thingiverse
FreeUltimate Greg's Wade's Geared Extruder - 30mm version
Thingiverse
FreeEmpire 30mm & 40mm Fan Guards Star Wars Pattern
Thingiverse
FreeE3D 30mm to 40mm fan adapter
Thingiverse
FreeFilament guide for IKEA STUVA enclosure (30mm thickness, 26mm hole diameter)
Thingiverse
FreeSilica gel container, 250g, 65x140mm, for NATO ammobox size 7 (30mm) (Drybox)
Thingiverse
FreeProfessional Fingerboard Deck - 30mm width
Thingiverse
FreeSpool Holder 30mm for CTC / Flashforge 3D printer
Thingiverse
FreePainting Standoffs - 30mm
Thingiverse
Free40mm to 30mm Fan Adapter
Thingiverse
FreeWanhao Duplicator i3 Cooling Duct: 30mm and 40mm
Thingiverse
Free40mm, 30mm, & 80mm Fan Compressor Turbines
Thingiverse
FreeParametric Raspberry Pi 4B Case (30mm fan) with vertical stand
Thingiverse
FreeMinimalist dessicant container small (30 mm & 40mm version)
Thingiverse
Free30mm to 40mm fan adapter - rotated 40mm fan to fit Toranado & E3D V6 Extruder
Thingiverse
FreeElegoo Centauri Carbon 2 Poop Chute & Waste Bin — 30mm Slim, No Supports, 48 Min Print
Thingiverse
Free30mm Minimal Fan Guard: MP Select Mini
Thingiverse
Free3D Printer Test Cubes - 25mm & 30mm
Thingiverse
Free2 in 1 most compact extruder cooler 40-30mm fan
Thingiverse
FreeDrag Chain 30mm for NBR Modder Board Ender3 S1 Pro
Thingiverse
FreeFloor Lamp (106.30 mm tall)
Thingiverse
FreeSilica Gel Canister (30mm for filament reels)
Thingiverse
FreeRaspberry pi 4 Case For Artillery Sidewinder X1 (30mm fan, 40mm fan or 50mm fan)
Thingiverse
Free30mm to 40mm fan shroud adapter.
Thingiverse
FreeGIRO.remix - TEVO Tarantula / 30mm Fan BLTouch Mount
Thingiverse
FreeVelocity Stack with Centre for 30mm fan
Thingiverse
FreeE3D V6 Cooling Fan Duct for 30mm fan
Thingiverse
Free30mm Fan Covers
Thingiverse
Free30mm to 40mm fan adapter.
Thingiverse
Free40mm to 30mm Fan Duct
Thingiverse
Freei3 X-Carriage for GT2 & T2.5 with added 30mm holes
Thingiverse
FreeJ-head cooling shield for 30mm fan
Thingiverse
FreeWanhao Duplicator i3 fan duct for 30 mm and 40 mm axial fans.
Thingiverse
FreeAttack on Titan 30mm Fan Guard
Thingiverse
FreeVelocity Stack and Fan Guard for 30mm Fan
Thingiverse
FreeRONRAYSING GT WING 1/10 scale (Approx/Varies 180mm x 30mm x 37)
Thingiverse
FreePrusa i3 mini X-carriage for GT2 belts with 30mm spacing
Thingiverse
FreeMonoprice Select Mini 30 mm Fan Guards
Thingiverse
Free30mm fan turbo shroud
Thingiverse
Free40mm to 30mm Fan adapter
Thingiverse
FreeDual 30mm Parts Cooling Duct and 40mm Heatsink Cooling Duct for E3D or v6 Clone Direct Feed or Bowden
Thingiverse
FreeBeefy X Carriage for LM8UU with 30mm Fan Mount
Thingiverse
FreeSlimline Compact dual twin 30mm fan shroud for e3d v6
Thingiverse
Free30mm cracked base
Thingiverse
FreeAdapter 30mm to 40mm fan
Thingiverse