Spline IK causes stretching with y stretch turned off
Open, ConfirmedPublic

Description

System Information

Blender Version
Broken: 2.71 - 2.78c
Worked: Unknown
Short description of error
Spline IK is causing my armatures to stretch even with Y Stretch disabled. Worse still, the transformations being applied are sometimes oblique.

Exact steps for others to reproduce the error
All of my attempts to use spline Ik have yielded this result.

Details

Type
Bug

I had the same problem a while ago, here's a video of what was going on: https://www.youtube.com/watch?v=LFoUrE1OHwQ

Sergey Sharybin (sergey) triaged this task as "Confirmed" priority.Mon, May 22, 3:50 PM

Seems the current spline IK is not really suitable for such cases.

But would be nice to hear from @Joshua Leung (aligorith) here :)