Updated On June 25, 2025
Published On June 25, 2025
Version
v4.0.7 for Blender 2.83 to 4.2
File Sizes
42.7 KB
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Blender Addon – X-Muscle System by k44dev Software – Download
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The files are provided in RAR format. To extract them, use WinRAR on Windows or The Unarchiver (or a similar tool) on macOS.

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X Muscle System is an advanced add-on for Blender designed by k44dev Software, which is ideal for the melioration and the simulation of muscular systems, tissues, and other organic objects. This advanced tool allows a realistic view of actual deformations of skin surfaces while delineating top volumes of muscles, fats, and bones.

k44dev Software – X-Muscle System Features

  • Flexor and Extensor Muscles: Simulation muscle types have various types for accurate simulation.
  • Anime Buzzles Parameters: Muscle size, properties, and controllers can be animated using easily animated controllers.
  • Shape Keys Support: Muscle Shape Keys and body meshes are supported.
  • Muscle Pinning Manager: Bendy Muscles with auto-aim pinning support and X-Mirror support are included.
  • Auto-Attach to Bones: The muscles can automatically attach to bones using auto-aim mode.
  • Auto-Weight Painting: Scope control, along with painting weights for muscles and controllers, is done automatically.
  • Advanced Skin Controllers: Skin muscular controllers allow for enhanced detailing.
  • Intelligent X-Mirror Feature: Muscle mirroring is relatively more straightforward for symmetric models.

X-Muscle System Documentation

Installation help Click To Download

Image 1: It comes with a rigged human male skeleton model which allows you to exercise your skills immediately

X Muscle System - it comes with a rigged human male skeleton model which allows you to immediately exercise your skills

Image 2: Bring your digital art back to life!

X Muscle System - Bring your digital art back to life!

 

  1. Extract the downloaded RAR file.
  2. If it includes a ZIP file, open Blender → Edit → Preferences → Add-ons → Install and select the ZIP.
  3. If it includes .py files or a folder:
    • Make sure the .py files are inside a folder.
    • Rename the folder if needed, then compress the folder into a ZIP file.
    • Install the ZIP in Blender as above.
  4. Enable the addon after installation.
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