How to control mesh with rig with distortions
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I been doing a project for a couple months now and I believe I only have one final problem. I’m trying to rig a rectangle with a bendy bone and so far its been great, but when I bend it down it’s pinching in the y axis. (Second picture)
A short of flexible rig perhaps?
I would like to keep the mesh the same width no matter the pose like so:
But this is the result for the 3d model:
The Twisting seems to be collapsing in on itself when around 180 degrees but on a simple twist it still looks concaved. (Third picture)
I would like to keep the sides consistent without the bottom section moving, is this even possible? It seems so simple but I never seen it before. (First picture)
—pls feel free to edit the question I’m still new to blender after a few years so I don’t know if this is a known topic or not.
The ‘Top’, ‘Bottom’ and ‘Root’ bones do not deform.
In the ‘Stretch To’ constrain Volume = ‘None’
In the ‘Armature Modifier’ check ‘Preserve volume’
If you have a Subdivision Modifier, it comes after the Armature.
Here’s the file.
If you decrease the number of loop cuts and give the bendybone more segments it looks better. I gave the bendybone 30 segments. You can also give it a subdivision level of 3. Experiment a bit with the loopcuts and segments to find the right balance.
You can always delete loopcuts (press x and select ‘Edge Loop’ with a loopcut selected) and play with the number of segments wile parented. But if you add loopcuts you will have to re-parent again.
If you wish more control for animating your cube I have to redirect you to our rigging expert DanPro.
Blender Rigging Advanced Tentacle Rig Part 1
There is also a rigging tutorial by Kent Trammel who tackles this in a different way.
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