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LEGO 3x1 Parts: 3D Models and STL Files to Print

This collection gathers 3D models that follow the 3x1 footprint: plates, tiles, bricks, Technic cross blocks and a few adapters. Most files are meant for home 3D printing, so the stud, tube and hole geometry matters more than the overall look. Use the list to find a shape you need and then compare it with the original part you are replacing. 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3个平台

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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12日

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«LEGO 3x1 Parts: 3D Models and STL Files to Print»

The parts fall into a few groups. Flat plates and tiles in 1x3 are the simplest shapes, while Technic cross blocks add axle and pin holes in different combinations. Bricks and stackable containers are thicker and often printed as boxes or storage pieces, and curved slopes or decorative plates change the silhouette rather than the connection points.

When you pick a file, read the model page before printing. Check the stated scale and stud pitch, how many separate parts are in the file, whether the author used supports, and which material and layer height the photos show. Small holes and studs are where tolerances matter most, so a test print of one part is usually worth the time.

Search results for this topic mix several naming habits. Try 1x3 as well as 3x1, and add words like plate, tile, brick, cross block, axle or pin to narrow the list. Related searches such as brick container, servo adapter or curved slope can surface parts that do not use the 3x1 wording in the title.

FAQ

常见问题

What does 3x1 mean for these parts?
It describes the footprint: three studs long and one stud wide. The same size appears in plates, tiles, bricks and Technic elements, so check the part type as well as the dimensions.
Do these models fit original bricks?
Fit depends on the file, the printer and the material. Compare the stud and tube dimensions on the model page with the part you have, and print a single test piece before a larger batch.
Which material works for small 3x1 parts?
Authors usually list the material and settings they used. PLA is common for display pieces, while parts that clip or flex are often printed in PETG or ABS, depending on what the author describes.
How do I find a specific 3x1 element?
Search by part name and size, then add a descriptive word such as tile, slope or cross block. If you know the original part number, include it, since many titles list it alongside the dimensions.
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