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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62 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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How can i duplicate it for 2 rigs? Im having trouble animating with 2 rigs.

I tried duplicating everything with shift+A and shift-D but it breaks everything and its all wahhh

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I’d recommend using “Link” or “Append” to add the rig to your project. However, if you use “Link”, it can cause issues with the RigUI script. So if you plan to use RigUI on both rigs, it’s better to use “Append”.

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this is actually the best roblox blender rig I have ever used…

just problem is that idk how to change texture tho because for some reason when i upload a exture to the rig, it looks cursed

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Yo, for some reason when i import this texture in the rig

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it looks cursed. do u know how to fix this?
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Hello! The issue is that you’re trying to apply an R6 texture to an R15 model. To fix this, convert your R6 model to R15 in roblox studio before exporting : )
(The image shows an example of the r15 model’s texture.)

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2 Likes
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it doesnt seem to work for me tho (r15 texture looks like this when i export as obj)

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try doing it yourself
clothes.rbxm (29.7 KB)

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It seems like roblox has changed the UVs for the R15 model. I’ve uploaded the new version of the rig with fix to gumroad. It should work now. Thanks for noticing this issue! : )

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Hi, this rig is amazing but is there a way to animate it within weapons?

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How do you switch the blocky rig to a roblox boy rig or is that not possible?

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you make the animation with the blocky model, and you can import the animation to work on a boy model in roblox

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Do u perhaps make a 2.0 version ?

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Hey there! I know I’ve got a somewhat unusual request, but it’d be amazing if there was a version of this rig that had bones for Dynamic Heads, considering classic faces are going to be replaced with them soon. I’d like to make the transition to Dynamic Heads a little bit more fun for my players, but I don’t like using Roblox’s animation plugin over the animations I use for my games.

1 Like