
3/4 Inch Filter and Adapter STL Models for 3D Printing
This collection gathers STL files built around 3/4 inch and nearby fractional sizes: water and hose filters, air filter frames, small holders, tips and adapters. It is useful when you need a printed part that joins an existing filter, hose or housing rather than a decorative object. Most entries are practical parts for a 3D printer, so dimensions matter more than appearance. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
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Auswahlregeln: Polyzon-Redaktion · Text aktualisiert: 14.10.2026
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Window Insert 3" & 4" | Print-in-Place Insulation

Raspberry Pi 4 Case
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Grinder Grinder CONTAINER WEED

Tube Cutter for water filter tubing (3/8", 1/4", & PTFE)

3/4 Water Intake Filter

Side Release Buckle 3/4 inch
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FILTER TIPS - 89 FILTERS- ALL PACKS - FILTER WEED

DJI Action 3 & 4 - Scuba Housing filter adapter (updated 15/11/2023)

3/4" Pressure Washer Inlet Filter

Suction Filter Basket
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20 inch Box Fan using 4 - 1 inch Air Filters - Air Purifier

Protective TPU case for Osmo Action 3-4-5 with ND filter

Suction strainer/filter for 3/4 inch hose

Coffee filter holder - No. 4
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Regular Filter Tip (7mm)

Sand Pool Filter adapter to 3/4" for cleaning output

Garden Tap Adapter: 3/4 Inch to M24 Water Filter

3 STAGE filter: Debris/Oil Filter HardDebris, SoftDebris, Oiler(HSO)
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Vent and Tank greeble set Low Poly

Filter for Pipe DN50 BSP 1 3/4 Inch

DJI 大疆 Pocket 3/4 超薄濾鏡盒

3/4 Inch PVC Desk Mounts | Customizable
Water filter adapter 3/4" tap to Sawyer filter

Freewell Lens Filter Stacker for Osmo Action 3/4/5

Caja para filtros OSMO POCKET 3 & 4

Ender 3 v2 Hidden OctoPi Mount
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Vintage Computer sign/plaque - COMMODOR 64 LOGO

Garden Hose Stream Diffuser or Intake Filter Attachment - BSP 3/4 Thread

4" Cone filter to 3" Pipe adapter

Mobius 4 for Ender 3 Mod
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Customizable AIr Vent/ Filter Media Holder

Compact Garden Hose Filter – 3/4" Thread

T4bee Microcopters smallest possible 2", 2.5", 3", 4" multirotors for 20x20mm FC & CCDs, Swift Mini, Micro Swift, CMOS etc.
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THREE LEVEL WATERING POTS

Pool & Spa Filter Cleaning Nozzle 3/4" Male Thread

GoPro Frame for the Hero 4 Silver
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Toyota 2f engine cylinder head

AIRSCOOP V0.4 per BMW F2X F3X - LP9Engineering

The Key - Puzzle Box
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In-line duct fan mixing box

Magnetic Coupler | Complete Exhaust System | Part2

V1 Tri-Loop Toroidal 4" 3.5" 3" 2.5" 2" 40mm Cinewhoop FPV Drone Propellers
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3/4 inch pipe suction filter

Tube bender (for 3/8" & 1/4" water filter tubes)

Dust Cleaner for 3D Printers (Universal Filament Filter and Lubricator )
«3/4 Inch Filter and Adapter STL Models for 3D Printing»
The models fall into a few groups. Water-side parts include intake filters, suction strainers, pressure washer inlets and tap adapters, often designed around a hose or thread size. Air-side parts cover filter frames, intake kits for scale models and multi-stage filter assemblies used in purifier builds. A third group is smaller: coffee filter holders, filter tips and tip packs. Camera filter adapters and protective cases form a separate group, where the filter sits in front of a lens instead of in a fluid path.
Before printing, open the author's model page and read the dimensions. Nominal sizes such as 3/4 inch are trade names, so compare the stated outer diameter, thread pitch and bore with the part you already have. Check whether the model is one piece or several, whether supports are needed, and which material and layer settings the author lists. Photos of real prints show how threads and thin walls came out on someone else's machine.
Search terms can be widened if a first query returns little. Try strainer, screen, mesh, sediment or inline instead of filter, and add the medium: water, air, fuel or oil. For fittings, search by thread standard or by hose diameter written as a fraction or in millimetres. Combining a device name with the size, or adding words like adapter, reducer or housing, usually narrows the results faster than the size alone.
Häufige Fragen
How do I check whether a 3/4 inch part will fit my hose or thread?
Do these filter models need supports?
Which material should I use for a water-contact filter part?
Can I scale a filter or adapter model to another size?
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