OpenSCAD | Script-defined, parameter-driven 3D models
Official name：OpenSCAD
OpenSCAD is a solid 3D CAD tool that reads scripts describing objects. It suits users who want control through parameters and modelling steps, rather than a primarily interactive sculpting or animation workflow.
Official website
openscad.org
https://openscad.org/
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Describe a shape in a script
OpenSCAD reads a script describing an object and generates a 3D model from it. The workflow places modelling steps and parameters at the centre, with an emphasis on solid CAD rather than artistic animation.
Sources for this section：OpenSCAD project
Combine solids or extrude outlines
The official introduction names constructive solid geometry (CSG) and extrusion of 2D outlines as its two main modelling techniques. It also describes DXF outline and STL/OFF model exchange capabilities. Check current documentation and the version in use for a particular task.
Sources for this section：OpenSCAD project
Begin with a small parameterised object
Use the main site to reach downloads or documentation. As a learning recommendation, start with a simple object of variable size, express its dimensions as parameters and inspect the effect of changes before combining more complex shapes. This tests the workflow, not manufacturability.
Sources for this section：OpenSCAD project
Choose it for a rule-based workflow
Script-based modelling is worth considering when you care about how a shape changes with dimensions. For hands-on sculpting and visual exploration, compare more interactive tools first. Open source and parameterisation alone do not guarantee a suitable result.
Check licensing and the finished model separately
The About page states that the software is released under GNU GPL version 2. That is not blanket permission for website assets or external models. Check dimensions and practical requirements before machining or printing; generating a model is not proof of engineering fitness.
Sources for this section：OpenSCAD project
Sources
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Identity evidence and decision record
These are the public materials the identity decision actually cites.
openscad.org
Supporting material · OpenSCAD project https://openscad.org/about.html
About OpenSCAD: solid 3D CAD software statement, About page home navigation to openscad.org/index.html; same project root
Original decision record
项目About页面说明OpenSCAD的实体CAD、脚本建模用途及维护者，站内首页、下载、文档和项目仓库链接互相定位到该软件。记录项目品牌，不把个人维护者当公司或凭维护者位置推定地区；GPL声明仅绑定软件。
Regional access observations
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Institutional descriptions, entry notes, identity decisions and access observations remain separate. No endorsement is implied.