https://github.com/hlorus/CAD_Sketcher

Constraint-based geometry sketcher for blender

Constraint-based sketcher addon for Blender that allows to create precise 2d shapes by defining a set of geometric constraints like tangent, distance, angle, equal and more. Sketches stay editable and support a fully non-destructive workflow.

⚠️ Experimental addon: This is still work in progress, don't use it on production files without a backup.

Minimum version: Blender 2.92

Links:

• Documentation
• Installation
• Discord
• Report a Bug
• Contribute

Addon installation

• Download the ZIP archive (do not unpack it after downloading)
• Open Blender and go to: Edit > Preferences > Add-ons > Press "Install..." button
• Browse to the location of the ZIP and select it, then press "Install Add-on"
• Enable the addon by pressing the checkbox

Dependency installation

CAD sketcher heavily depends on the solvespace python module and won't be functional without it.

• Inside the addon's preferences check the "Solver Module" tab to see if the module is already available
• Press "Install from PyPi"

Check the installation chapter for in-depth instructions.

Usage

Follow the getting started guide to get familiar with the addon.