blender-iks-to-fks

blender-iks-to-fks

A Blender Addon that takes a mesh and armature that use IKs and other non-deformation bones and creates a new mesh and armature that uses only FK bones.

Background / Initial motivation

I wrote a post a few months ago about converting IKs and constraints into FKs in Blender. The process was manual, tedious and very error prone. To the point where I would push of and procrastinate rigging because I dreaded the IK -> FK conversion.

This script automates the IK / Constraint bones -> FK bones conversion process.

It does this by generating a new mesh and FK rig that copy the animations of your original mesh and rig.

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I wrote a reddit comment attempting to explain IK vs FK at a five year old level.

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This Blender Addon is donationware, so please donate via PayPal if you've found this helpful!

Benefits

• Unlike Bake Action, blender-iks-to-fks does not create any additional keyframes
• Your original mesh remains unmodified, preventing you from accidentally losing / overwriting your work

Install

There are two ways to install the addon. By running a script, or by manually downloading and adding it into Blender

Install via script

This method requires that Blender is added to your $PATH

npm install -g blender-iks-to-fks && ik2fk --install-blender

Manual Download Instructions

Manual installation instructions

Usage

In Blender Window:

1. Select your mesh in Object Mode
2. Press Space
3. Search for 'Convert IKs to FKs' and select it
4. You should now have a new mesh and armature that use FKs

Via Blender CLI

You can run this addon via the Blender CLI as part of an automated conversion process. Here's how:

blender my-blender-file.blend --python `ik2fk`

Have an idea? Confused?

Open an issue and lets sort it out!

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License

(c) 2017 Chinedu Francis Nwafili. MIT License

Changelog

1.3.4

• If you have not selected a mesh we will automatically select the first mesh that we find that has an armature