
NB300 3D Models: Fittings, RC Planes, Helmet STLs
The NB300 collection mixes several unrelated things that share the same number or bore label: pipe fittings and valves, RC park flyers, themed helmets and 300 mm hardware. It is useful when you already know which of those groups you want and need to compare the files inside it. Each entry links to a model page, so the details that matter for 3D printing sit with the author rather than here. 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

NB-300RW Wireless Chime Bell Receiver Stand

MightyPi 1.1 - OrangePi Zero Handheld Retro Game Console

300 Nb Tee Strainer

Lexus IS200 IS300 3x52mm dashboard gauge pod

Extra 300

shield 300 toothpick

Corrediça 300mm

Ip network laser ptz camera gcs-ipl300

VET - Válvula de Esfera Tripartida Classe 300 - Ø1.1/2" - Ball Valve

IP65 Junction Box with Lock, 300 mm x 200 mm x 170 mm

Bed test 300x300mm Creality K2 PLUS etc

Extra 300s Park flyer, 3D printed RC airplane

The 300 Spartan Captain’s Helmet

HY300 Wall-Mounted Projector Holder

Nissan 300ZX (Z32) 1:64th scale

Power Supply - 300 to 360W

SXT 300 scooter created in PARTsolutions

DUMMY 13 goes to COMIC CON - King Leonidas from the 300 (Gerard Butler) V2.1

Mazda Miata / MX-5 (NB) Kit Card

Sony FX 300 - Jackal

Soporte proyector HY300

Mazda Miata / MX-5 (NB) Kit Card COMPLETE REDESIGN with hardtop and softtop

Toyota GR Supra GT300 Race Car MKV/A90 - Large

Number keychain up to 300

MX-5 Miata NA/NB Alternate AC Vent

Magcubic Projector HY300 PRO Wall/Ceiling Mount

Hydraulic Press 300 Ton

BALL VALVE 4" 300# Full Bore

VORON Trident Stealth Skirts - Cheese Grater & Honeycomb Version 250 / 300 / 350

B300F Turbine Jet Engine
ELEMENT AIRSOFT M300A MINI SCOUT FLASHLIGHT

Construction fence 1:16 scale (Heras M300/100/55)

Hinge HÄFELE 329.28.300 - Duomatic PR105

Thrustmaster T300RS GT Mercedes Sim Wheel

Mercedes-Benz 300 SL Gullwing

Big Brick Moon Buggy with driver 300%

Mercedes-Benz 300 SL Roadster

Nissan 300ZX (Z31)

EDC Fixed Blade Knife for Outdoor Edge 300 Blades

Thrustmaster T300 (RS) Phone Holder Mount

Nissan Fairlady 300ZX (Z32) 1989

Mercedes 300 SEL 6 8 AMG Red Pig
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Mercedes-Benz 300 SLR Uhlenhaut Coupé 1955 V2

NB1100 deburring mod for Deburring Tool Case 154mm (Libraton) - Rugged Box Style

**TurboLinx TL-300** 3D Printed Quadcopter.
«NB300 3D Models: Fittings, RC Planes, Helmet STLs»
The pipe and valve group is the largest: equal tees, strainers, globe and ball valves labelled by nominal bore, from small sizes up to 300NB. These differ mainly in how they connect — threaded, flanged or tri-part bodies — and in wall thickness. The other groups are unrelated to piping: RC park flyers with printed airframes, Spartan-style helmets and figures for display or costume use, and utility parts such as junction boxes, projector holders and camera mounts sized in millimetres. A separate set covers 300 x 300 mm bed test plates used to check a 3D printer's first layer and levelling.
When choosing a file, open the author's page and read what is actually specified. For fittings and valves, check the nominal bore, the thread or flange standard, the number of parts and how they join. For helmets and figures, look at scale, part count, whether supports are needed and how the pieces align. For mounts and enclosures, confirm the internal dimensions and screw positions. For RC airframes, check the wingspan, the material the author lists and the settings used in the photos of real prints.
To narrow the results, try the synonyms that authors actually use: nominal bore, DN, NB, pipe tee, globe valve, ball valve, strainer, flange. For aircraft, search park flyer, warbird, scale plane or printed airframe instead of a single model name. For costume items, terms like cosplay armour, helmet kit or display bust bring up related files. If you are after hardware, add the millimetre size or the device the part holds, and combine it with the word mount, bracket or enclosure.
よくある質問
What does NB300 mean in these titles?
How do I find a fitting that matches a pipe I already have?
Can a 300 mm part be scaled down for a smaller 3D printer?
What should I check before printing a helmet or figure?
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。









