build123d

Like

build123d is a Python-based, parametric boundary representation (BREP) modeling framework for 2D and 3D CAD. Built on the Open Cascade geometric kernel, it provides a clean, fully Pythonic interface for creating precise models suitable for 3D printing, CNC machining, laser...

Cost / License

Free
Open Source (Apache-2.0)

Application type

CAD Software

Platforms

Windows
Linux
Mac
Python

build123d alternatives

0likes

0articles

Features

Parametric Modeling
Procedural Modeling
3D Printing

Tags

build123d News & Activities

Highlights All activities

Recent activities

Dromantor added build123d
5 months ago
POX updated build123d
5 months ago
Dromantor added build123d as alternative to CadQuery, OpenSCAD, JSCAD and ImplicitCAD + 8 similar activities
5 months ago

build123d information

Developed by
gumyr
Licensing
Open Source (Apache-2.0) and Free product.
Written in
Python
Alternatives
8 alternatives listed
Badge
Get an embeddable badge for build123d
Supported Languages
- English

AlternativeTo Categories

Photos & Graphics, System & Hardware, Development

GitHub repository

2,128 Stars
197 Forks
338 Open Issues
Updated May 5, 2026

Popular alternatives

build123d was added to AlternativeTo by Andreas on May 5, 2026 and this page was last updated May 5, 2026.

No comments or reviews, maybe you want to be first?

Official Links

AppStores & Other Links

What is build123d?

build123d is a Python-based, parametric boundary representation (BREP) modeling framework for 2D and 3D CAD. Built on the Open Cascade geometric kernel, it provides a clean, fully Pythonic interface for creating precise models suitable for 3D printing, CNC machining, laser cutting, and other manufacturing processes.