Weight Painting

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  02 February 2013
Weight Painting

Hi There!

I have been puzzling over this situation for days now. I have created a mesh from a cube with these values. X: 25cm Y:75cm Z:25cm with segments 4, 12, 4 respectively. I have 3 Bones setup with an IK chain like so (o-----o-----o).
The cuboid shape is vertical and is binded to the bones after being made editable. When I do this, c4d as usual paints the weights automatically and creates a smooth curve as I move the Goal for the IK around. The problem is that rather than a curved joint, I would like an L Shaped joint that is nice and sharp and I know this can be done with weight painting however, I just can't seem to get the painting done right.

I have added some images. The first image shows what I'm Aiming for:

The left is using the default weightings, the right is something i quickly modeled to show what I want when the arm is bent.

The best I have managed to get by messing with weights is this:


As you can see in the image, a proper right angle isn't formed.
What I'm aiming for is a sharp bend that has those kind of edges no matter what angle. I'm certain it can be done as i've seen it before, I just don't know how to do it.

Any help?

Thanks in advanced for the help!
 
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