R15 Rig for Blender 4.0+ (FK/IK switching)

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This is a fully functional R15 rig for Blender 4.0 and above, designed for creating and exporting animations to Roblox Studio. It includes both FK and IK kinematics, intuitive parent switching, and comes bundled with a RigUI script to streamline your workflow.

:sparkles: Features

  • Full support for FK/IK switching (arms & legs)
  • Parent switching for arms and legs
  • Export compatible with Roblox Studio via external addon

:scroll: RigUI Script

  • Toggle visibility of bone collections
  • Adjust rig properties
  • Use the Snapping Tool to align IK to FK and vice versa

Download the rig for free on my Gumroad: Roblox R15 rig

Exporter Addon (for Roblox Studio Import): Blender rig exporter/animation importer - #1628 by CAUTlONED

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30 Likes
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Very cool rig. The IK/FK switching is very useful.
Adding a driver to hide/reveal the IK/FK bones when changing the properties could be a nice addition.

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How do you switch from FK to IK?

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  1. select the armature
  2. change the fk/ik properties in the rig properties panel (0 = FK, 1 = IK)
  3. you can show or hide fk/ik controls using the rig ui panel

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6 Likes