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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.

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Polyzon合集 · 48个模型 来自4个平台

合集是如何整理的

此合集由Polyzon根据已接入平台的搜索结果整理而成：去除重复项和没有预览图的模型，匹配度低的排在最后，其余按搜索结果顺序排列。模型归作者所有——请在各模型页面查看使用条款。

筛选规则：Polyzon编辑部 · 文字更新于2026年10月14日

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«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

常见问题

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.
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