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I’m new to rigging and this model is my first attempt.

But because of that, I’m of course having some minor issues ( that I hope remain minor lol ).

The Problem

enter image description here

I’m following this tutorial concerning a spine rig. It seems as though I and a few others in the comments are having the same issue at the timestamped 13:25 mark.

When Dikko selects "DEF_spine.001" and "DEF_hips.001" to parent them with "CTRL_hips.001", his parent to child relationship is the only one rotating. The rest of the deformation bones stay put along with the “CTRL_COG” and “FK_torso” bones. This is the effect that’s supposed to be achieved.

However, when I rotate "CTRL_hips.001" after making it the parent to "DEF_hips.001" ( in my scenario as I only have one bone there ), all of my deformation bones rotate. This is not supposed to happen.

What I’ve Attempted

I’ve done very simple rigs with FK and IK controls before with success and I’ve tried various things to fix this issue.

I was thinking that maybe because “DEF_hips.001” is attached to the entire deformation chain that it’s causing the entire thing to move when it’s made the child of “CTRL_hips.001”. But should “DEF_hips.001” not inherit the properties of “CTRL_hips.001” if it becomes the child of that instead of the “CTRL_hips.001” apparently inheriting the properties of “DEF_hips.001”?

I should note I used this tutorial to replicate the basic heat bone method to avoid initial errors I had. That's what the "dupe / duplication" collection is for.

My Files

Attached in my box are two files people can open to see what I’m doing wrong. One is called “base” ( original ) and “error” what’s replicating the problem above.

Also his a visual of what my current FK setup looks like in both files.

enter image description here

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  • $\begingroup$ the files are private and not accessible. $\endgroup$
    – Blunder
    Jan 19, 2022 at 14:57
  • $\begingroup$ @Blunder Thanks for pointing out the error. I've made the files viewable. Please let me know if there are any other errors. $\endgroup$
    – Mulder
    Jan 19, 2022 at 19:56
  • $\begingroup$ You're welcome. But the files are still private ;-) $\endgroup$
    – Blunder
    Jan 20, 2022 at 1:30
  • $\begingroup$ @Blunder Oh my god I'm doing to die lmao. 💀 Is this below link working now? drive.google.com/drive/folders/… $\endgroup$
    – Mulder
    Jan 20, 2022 at 3:38
  • $\begingroup$ Good news, everyone! I ( think ) figured this out on my own! 🥳 Below was my solution. [1] I had to remove the “DEF_hips.001” bone as a child from the rest of the deformation rig. [2] Then I had to make it the parent of both the left and right def_hip bones so it controls everything from the hips downward. [3] Then I had to make “DEF_hips.001” the child of “CTRL_hips.001”. So far it’s working, but in case this backfires, I am still open to feedback of other methods to achieve what Dikko’s tutorial is doing. $\endgroup$
    – Mulder
    Jan 20, 2022 at 4:00

1 Answer 1

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I've not run into any errors onward and the control works as intended!

  1. I had to remove the “DEF_hips.001” bone as a child from the rest of the deformation rig.

  2. Then I had to make it the parent of both the left and right def_hip bones so it controls everything from the hips downward.

  3. Then I had to make “DEF_hips.001” the child of “CTRL_hips.001”.

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