
3D models for 1/2-Inch Fittings and Adapters
This collection gathers STL files for 1/2-inch fittings and related adapters. It covers parts for connecting pipe, hose, and tubing in plumbing, air, and fluid systems. Use it to find a starting point for 3D printing, then verify dimensions and thread type on the model page. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
このコレクションの本文は英語で書かれています。検索自体はどの言語でも使えます。
このコレクションの選定方法
このコレクションは、Polyzonが対応サイトの検索結果をもとに作成しています。重複やプレビューのないモデルは除外し、関連性の低いものは後ろに回し、それ以外は検索結果の順に並べています。モデルの権利は各作者にあります。利用条件は各モデルのページでご確認ください。
選定基準:Polyzon編集部 · 本文の更新日:2026年10月11日
まずはここから
このコレクションのすべてのモデル

Compression fitting, 1/2 inch pipe, threaded, BSPT R 1/2''

1/4'' BSP male thread to 8mm hose fitting

Air Brake fitting, 1/2" NPT x 1/2" Push-In

Parker 169PMT-8-8 Brass Swivel Fitting 1/2" MPT x 1/2" PTC

Parker 172PMT-8-8 Brass Tee Fitting 1/2" MNPT x 1/2" PTC

Reducer Bushing Fitting 1/2" Male NPT x 1/4" Female NPT

Miniature Queen Anne Chair

fitting 1/2"

T-piece fitting, 1/2" female thread

Barbed Hose Fitting 1/2" Hose ID, 3/4 NPT Male

Bulkhead fitting for a 1/2" poly hose

Brake Master Cylinder Bleeder Fitting 1/2" - 20

adapter fitting 1/2 to 3/4 for Gardenhose

Brass Barbed Hose Fitting 1/2

Barbed Fitting 1/2" Hose ID, 3/8" NPT Male

1/4" Hose Barb Fitting - "Wye" / "Y"

EMT bushing for pvc fitting 1/2

Valtec fitting 1/2" - 40mm

1" - 1-1/2" Tri Clover Sanitary Fitting Clamp

Fittings 1/2"

1/2" EMT Conduit Connectors

coupling fittings 1/2” garden hose

3-Way Elbow, 1/2 Inch PVC Pipe Fitting Series #HalfInchPVCFittings - UPDATED 2015-02-02

1/2 T pipe fitting holder, clip, grip, hook, hanger, bracket, mount with zip ties

1/2 to 2" - NPT Pipe Thread Fittings/Couplers

3/8 Female to 1/2 Male NPT Fitting

Streetlamp

coupling fittings 1/2” garden hose

4-Way Tee & 5-Way Tee, 1/2 Inch PVC Pipe Fitting Series #HalfInchPVCFittings UPDATE 2015-07-03

Garden Hose to 1/2 in Barb Fitting

2-in-1 Whistle (Dog + Standard)

1/4 NPT male - 1/2 hose barb fitting

Dust Collection 4-inch Port to 2.5-inch Hose Tapered Adapter Dust Collection Reducer Fitting (v1.0)

4-Way Elbow, 1/2 Inch PVC Pipe Fitting Series #HalfInchPVCFittings UPDATE 2015-07-03

Fitting for connecting 1/2 tube to 16 mm hose
1/2" NPT Pipe Fittings

1/2" THREADOLET FITTING

3-Way Elbow, 1/2" PVC Pipe Fitting

Parker 2225P-8 Brass Tee Fitting 1/2" MNPT x 1/2" FNPT x 1/2" FNPT

1/2" MNPT Brass Hose Fitting 3/8" Barb

3/4" MNPT X 1/2" FNPT Brass Pipe Fitting

1/4" MNPT X 1/2" HOSE ID Barbed Hose Fitting

1/2" MNPT x 1/4" MNPT Brass Fitting

1/2" FNPT Brass Hose Fitting 3/8" Barb

1/2" MNPT x 3/8" MNPT Brass Pipe Fitting
«3D models for 1/2-Inch Fittings and Adapters»
The models here fall into a few groups: threaded pipe fittings such as nipples, tees, and bushings; barbed hose fittings for flexible tubing; push-to-connect and compression adapters; and bulkhead or garden-hose couplings. They differ mainly by connection type, thread standard, and whether the two ends match or reduce from one size to another. Some are simple one-piece shapes, while others combine a threaded port with a barb, swivel, or tee body.
Before printing, check the thread standard and size on the model page, because NPT, BSPT, and metric threads do not interchange directly. Look at the wall thickness, the number of parts, and whether the author expects supports or a particular orientation. The material and slicer settings listed by the author matter for parts that will be screwed together or pressed onto a hose, and photos of real prints can show how the threads and barbs turned out.
To narrow the results, try synonyms and related terms such as adapter, connector, coupling, reducer, bushing, nipple, tee, elbow, barb, and bulkhead. Adding a thread standard or connection type, like NPT, BSPT, PTC, compression, or hose barb, helps separate pipe threads from tubing connections. If a search returns too many unrelated items, combine the fitting type with the hose or pipe size and the material you plan to use.
よくある質問
What does 1/2-inch mean for these fittings?
How do NPT and BSPT threads differ?
What should I check before printing a threaded fitting?
Can these fittings be printed in resin?
3Dモデルのカテゴリ一覧
暮らし・日用品からCNCまで、すべてのテーマをそろえたカタログ。対応サイトを横断して検索できます。






