Blender Extensions
Publisher sources reviewed
Mesh

3D Print Toolbox

3D Print Toolbox analyzes and repairs mesh properties that matter when preparing a model for 3D printing.

By MikhailRachinskiy

Renderjuice Score89/100Adoption readiness
Render requirementNot needed during rendering
Blender versionsBlender 4.2 and newer
Release1.4.1Free and open source

What it does

  • Calculate mesh volume and surface area and find geometry problems.
  • Make a mesh manifold, create consistent thickness, align it to a print bed, and scale it to a target boundary or volume.

Access and editions

Free and open source
3D Print Toolbox
The extension is free to download from Blender Extensions. The official download is published under SPDX:GPL-3.0-or-later.
Official Blender Extensions listing

Access checked September 1, 2026.

Install and start

Install

  1. Install 3D Print Toolbox from Blender Extensions inside Blender.
  2. For a downloaded ZIP, use Install from Disk and select the official archive.

First use

  • Select the mesh and open the 3D Print Toolbox Analyze controls.
  • Run the required checks, repair reported geometry, and repeat the analysis before export.

Release record

Version
1.4.1
Publisher update
August 5, 2026
Public repository activity
Not available

Technical details and sources

Downloads
613,192
Published
May 17, 2024
Licenses
SPDX:GPL-3.0-or-later

Package notes

  • Includes bundled Blender assets

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