宇宙・航空

3D Models for Planetarium and Orrery Projects

This collection gathers 3D models related to planetariums: mechanical orreries, motorized displays, desktop globes, planet lamps, and supporting stands or adapters. It is useful when you want to build an astronomy-themed piece for a desk, shelf, or classroom and need files prepared for 3D printing. You can compare how different authors approach scale, moving parts, and assembly before choosing an STL. 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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選定基準：Polyzon編集部 · 本文の更新日：2026年10月15日

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«3D Models for Planetarium and Orrery Projects»

The collection includes several families: mechanical planetariums and orreries with gears or hand-cranked motion, motorized versions that rotate the planets, and simpler solar system arrangements. Desktop globes and lithophane planet lamps focus on appearance rather than motion. Stands, adapters, and dust covers are accessories that complete a planetarium setup.

When choosing a model, check the listed size and scale, the number of parts, and whether assembly requires glue, screws, or bearings. Look at the author's material and settings notes, and review photos of real prints to judge surface detail and part alignment. For moving parts, confirm clearances and how the axes are held; for static displays, wall thickness and base size matter more.

To refine the search, try synonyms such as orrery, solar system model, planet globe, and astronomical display. Related terms include desk globe, planet lamp, motorized model, and mechanical kit. Combining a subject with a format, for example planetarium STL or orrery 3D print, helps narrow results to the kind of file you want.

FAQ

よくある質問

What is the difference between a planetarium model and an orrery?
A planetarium model can be a static or decorative representation of planets, while an orrery usually shows the relative motion of bodies in a solar system. Many files combine both ideas, so check the description for moving parts.
Do these models need supports?
It depends on the geometry: overhangs, thin arms, and separate planet spheres may require supports, while flat or split parts often do not. The author's page usually notes this.
What scale should I choose for a desktop planetarium?
Desktop versions are often sized for a shelf or table, so check the listed dimensions before printing. If you want moving planets, make sure the chosen scale leaves room for the mechanism.
Can I adapt a planetarium model to a different motor or stand?
Some files include adapters or mounting points, and others are designed around a specific stand. Check the part list and connection details on the model page before modifying.
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