Antimony

Spec sheet

Purpose

Antimony is a computer-aided design tool built around a visual, node-based approach to CAD.Read 12 Oct 2026 · github.com

Free plan

YesRead 22 Sep 2026 · github.com

Integrations

The repository describes Antimony as a spiritual successor to kokopelli by way of fabserver.Read 12 Oct 2026 · github.com

Support

The README directs general questions to a Google Group and specific issues to the GitHub issue tracker.Read 12 Oct 2026 · github.com

License

Antimony is released under the MIT License, which permits use, copying, modification, distribution, sublicensing, and sale subject to its conditions.Read 12 Oct 2026 · github.com

Availability

The README lists a prebuilt application for Mac and source builds for Mac and Linux.Read 12 Oct 2026 · github.com

Community packages

The README lists community-supported packages for Debian 11 or later, FreeBSD 13 or later, and Ubuntu 22.04 or later, and says Fedora 22 through 32 is no longer supported.Read 12 Oct 2026 · github.com

Design approach

The project describes its CAD approach as one that evolved from Lisp machines rather than drafting tables.Read 12 Oct 2026 · github.com

Export

The release notes describe mesh export and an export workflow that runs from an Export node in the graph.Read 12 Oct 2026 · github.com

File format

The project added a human-readable file format described as friendlier for version control and manual editing.Read 12 Oct 2026 · github.com

Math syntax

The f-rep parser supports infix math notation as well as the earlier expression syntax.Read 12 Oct 2026 · github.com

Modeling

Antimony includes a 3D viewport for viewing geometry generated in its graphs.Read 12 Oct 2026 · github.com

Nested graphs

Users can add subgraphs with strongly typed inputs and outputs.Read 12 Oct 2026 · github.com

Parametric modeling

YesRead 22 Sep 2026 · github.com

Platform access

desktopRead 22 Sep 2026 · github.com

Render engine

built-inRead 22 Sep 2026 · github.com

Scripting

The release notes say all nodes are defined as scripts and scripts can define UI primitives such as points and wireframes for 3D views.Read 12 Oct 2026 · github.com

Security and reliability

The project says it is at beta stability and is not recommended for mission-critical use.Read 12 Oct 2026 · github.com

Plans and prices

Every Antimony plan and price →

Where Specifiction places it

• 3D modeling software#107 of 1477.7