工具・機材

25 cm Ruler STL Models for 3D Printing

This collection gathers STL files for 25 cm rulers and closely related measuring tools. It includes straight metric rulers, dual cm/mm scales, craft layout squares and scale rulers for modeling. Use it to find a measuring aid for 3D printing projects and to compare how each design is drawn. 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45件 4サイトから収集

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月14日

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«25 cm Ruler STL Models for 3D Printing»

Straight rulers are a frequent type, usually marked in centimeters and millimeters along one or both edges. Dual-scale versions add a second unit system or a conversion table, while craft squares and bookmarks use the same measuring idea in a different outline. Scale rulers for modeling trade a single full-size scale for several reduced scales on one body.

Before printing, check the length and width on the model page, since a 25 cm ruler may be split into segments or designed as one piece. Look at the number of parts, whether the author shows supports, and which material and layer settings they list. Photos of real prints help you judge how legible the markings are and whether the edges stay straight.

To narrow the results, try synonyms such as metric ruler, centimeter scale, measuring stick or straightedge. Related searches include quilting ruler, modeler's scale, bookmark ruler and ruler generator. Adding a length term can separate full-size tools from segmented or miniature versions.

FAQ

よくある質問

What should I check before printing a 25 cm ruler?
Check the overall length and width, whether the model is one piece or several segments, and the markings shown in the preview. The author's page may list material, layer height and whether supports are needed.
How do I make the markings readable?
Markings depend on nozzle size, layer height and contrast between the ruler body and the letters or grooves. A smaller nozzle and a slower first layer can help; the author's photos show what the result may look like.
Can I scale a 25 cm ruler up or down?
You can scale the STL in the slicer, but the printed markings will no longer match real centimeters unless you recalculate them. If exact measurement matters, look for a model drawn at the length you need.
What is the difference between a ruler and a scale ruler?
A standard ruler shows one full-size unit system, usually centimeters and millimeters. A scale ruler divides one unit into several proportional scales for modeling, drafting or map work.
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