乗り物

Coaxial Rotor Helicopter 3D Models and STL Files

This collection gathers 3D models built around coaxial and counter-rotating rotor layouts: toy copters, scale kits and individual blades. It is useful for 3D printing because the stacked rotor geometry is hard to source as a ready-made part, while an STL can be scaled and reprinted. Most entries come from hobby designers rather than manufacturers. 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。

Polyzonのコレクション · モデル48件 4サイトから収集

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14日

コレクションを見る モデル2132件をすべて表示 →
コレクション

まずはここから

このコレクションのすべてのモデル

モデル2132件をすべて表示
カテゴリについて

«Coaxial Rotor Helicopter 3D Models and STL Files»

The models fall into a few groups. Some are small flying toys driven by a rubber band or pull string, where the rotor is a single printed piece. Others are scale kits of twin-rotor helicopters, often split into fuselage, rotor head and blade parts. A third group is spare geometry: blades, rotor clips and hubs meant to replace a broken part on an existing toy or model.

When choosing a model, read the author's page for the rotor diameter and overall length, since coaxial designs scale poorly if one rotor is resized alone. Check how many parts are involved, whether the blades print as separate pieces, and whether the author lists supports, layer height or material. Photos of finished prints show how thin the blade tips and hub walls really are.

To widen the search, try terms such as counter-rotating rotor, twin rotor, rotor head, blade set or pull-string toy, and look at related topics like helicopter scale models, drone propellers or RC rotor blades. Combining a rotor keyword with a size or material word usually narrows the list faster than browsing a whole category.

FAQ

よくある質問

What does coaxial rotor mean on a printed helicopter?
It means two rotors mounted on the same vertical axis, turning in opposite directions. The upper and lower blades cancel each other's torque, so no tail rotor is needed.
Do these models need supports?
It depends on the part. Flat blades and kit-card layouts often print without supports, while fuselages and rotor heads may need them. The author's page usually states what was used.
Can a printed coaxial helicopter fly?
Small rubber-band and pull-string toys can spin and lift briefly. Larger scale kits are usually static display models, so check the description to see which kind you are looking at.
How do I scale a rotor blade correctly?
Scale the hub and the blade together and keep the blade thickness in mind, since very thin tips become fragile at larger sizes. Reprinting a single blade to match an existing hub is often easier than resizing the whole model.
関連
乗り物

3D Models for Darts and Winged Aircraft Parts

モデル1340件
乗り物

Ship 3D Models: STL Files for 3D Printing

モデル507件
乗り物

Lada Granta Holder 3D Models and STL Files

モデル500334件
乗り物

Honda 3D Models: STL Files for Cars and Bikes

モデル14877件
乗り物

Camry 50 Series 3D Models and STL Files

モデル13524件
乗り物

Suzuki GSX 3D Models and STL Files for 3D Printing

モデル2477件

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。

カテゴリ一覧を開く