Welder v4.0 for Blender Free Download



Welder is an open-source add-on for Blender that primarily focuses on simplifying the process of importing, editing, and exporting 3D models for 3D printing. It provides various features such as repair tools for fixing 3D model issues, automatic generation of support structures, and the ability to optimize models for printing.

Welder aims to streamline the workflow for 3D printing enthusiasts and professionals using Blender, making the preparation of 3D models for printing more accessible and efficient. With its user-friendly interface and comprehensive tools, Welder contributes to enhancing the 3D printing experience within the Blender community.

Features of Welder

  • Model Repair: Welder provides tools for identifying and fixing common 3D model issues such as non-manifold geometry, flipped normals, and other potential printing errors.
  • Support Structure Generation: The add-on is equipped with the capability to automatically generate support structures to ensure the successful printing of complex or overhanging geometries.
  • Model Optimization: Welder includes features for optimizing 3D models specifically for 3D printing, allowing users to reduce material usage and print times while maintaining print quality.
  • Customizable Settings: Users can adjust various parameters to tailor the printing process according to their specific preferences and requirements.
  • User-Friendly Interface: Welder is designed with an intuitive interface to make the 3D printing preparation process more accessible to a wide range of users, from beginners to advanced professionals.
  • File Format Support: The add-on supports various file formats for both import and export, enhancing compatibility and flexibility in working with 3D models.

Welder System requirements

  • 64-bit dual-core 2Ghz CPU with SSE2 support
  • 4 GB RAM
  • 1280 × 768 screen
  • Mouse, touchpad or pen + tablet
  • Graphics card with 1 GB RAM, OpenGL 3.3
  • Blender version 2.8, 2.9, 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 4.0

Welder Free Download

Welder v1.3.9 (Blender)


Welder Geometry Nodes Blender 4.0


Render Collection


How to install Welder

  • Install Blender First
  • Open the software, click Edit (EDIT) → Preference → Plug-in (Aadd-ONS) → Install
  • Restart Blender, you can see the installed plug -in in the file → user settings → plug -in
  • Done

Older version

Welder Geometry Nodes Blender 3.3