CAD Sketcher for Blender

CAD Sketcher for Blender

cad sketcher addon

CAD Sketcher for Blender – Constraint-Based Sketching & Parametric Modeling Tool

Versions:  v0.27.6 

File Size: 9.62 MB

Download CAD Sketcher for Blender on Windows, Mac, and Linux, a revolutionary add-on that brings parametric, constraint-based sketching and modeling to Blender. Create precise 2D sketches with geometric constraints, then extrude, revolve, and loft them into parametric 3D models—perfect for mechanical design, product development, and engineering visualization.

Key Features of CAD Sketcher:

• Constraint-Based Sketching: Apply geometric constraints including horizontal, vertical, perpendicular, parallel, tangent, concentric, equal length, and angle
• Dimension Constraints: Set precise dimensional constraints with real-time updates as you modify values
• Parametric Modeling: Edit dimension values at any time to update your entire model automatically
• Extrusion: Extrude sketches into 3D solids with adjustable depth and direction
• Revolve: Create lathed geometry by revolving sketches around user-defined axes
• Loft: Generate complex shapes by lofting between multiple sketch profiles
• Boolean Operations: Perform union, subtract, and intersect operations on solids for complex parts
• 2D Drawing Tools: Complete toolset including lines, rectangles, circles, arcs, ellipses, and B-splines

Perfect For:

• Product designers creating precise mechanical parts and prototypes
• Engineers developing parametric models for design validation
• Architects designing structural elements with exact dimensions
• 3D printing enthusiasts preparing precision models for fabrication
• Anyone needing CAD-style parametric modeling in Blender

System Requirements:

• Blender 3.6, 4.0, 4.1, 4.2, 4.3
• Windows 10/11 (64-bit), macOS, or Linux
• 4GB RAM minimum (8GB+ recommended)
• 50MB available disk space

Installation:

1. Download the add-on zip file
2. In Blender, go to Edit > Preferences > Add-ons
3. Click “Install” and select the downloaded zip file
4. Enable the add-on by checking the box next to “CAD Sketcher”

Note: CAD Sketcher brings professional parametric CAD capabilities to Blender, allowing you to create precise, constraint-based sketches and fully parametric 3D models. The dimension-driven workflow makes it essential for product designers, engineers, and anyone needing precise, editable geometry. Designed for Blender 3.6 and above.

A constraint-based sketcher addon created by hlorus for Blender that allows you to create precise 2d shapes by defining CAD geometric constraints like tangents, distances, angles, equal and more. These Sketches are then converted into beziers or mesh which still stay editable through a fully non-destructive workflow i.e, Geometry nodes and modifiers.

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 wiki installation chapter for in-depth instructions.

What comes next…

This is only the start of CAD Sketcher, there is no current roadmap set as of yet, but there are some amazing possibilities ahead.
Priorities for now are:

• Building a community
• Growing contributors
• Testing & Stability

In the works:

• Referencing system
  • Sketch to sketch
  • Mesh to construction plane

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