Maya for 3D Printing - Rapid Prototyping
In this course we're going to look at something a little different, creating technically accurate 3D printed parts.
# 1 22-11-2015 , 03:02 PM
Skalman's Avatar
Registered User
Join Date: Apr 2012
Posts: 293

Dynamic skin microgeometry

Hi, I've seen alot of really awesome videos lately. Im talking about dynamic skin microgeometry. Videos like this one: https://www.youtube.com/watch?v=FXXdypEuR_M

I've been wondering, and im kind of going crazy because this is so cool and i really want to try to achieve a similar effect, allthough it's pretty complicated. Most of them have been using 3Lateral to achieve this result, but i've been starting to think about this, if there is another way to achieve similar results?

The thoughts I have are:
If it's possible to have a GIF or a video to activate with a blendshape handle, maybe there's a way to connect them together, or have a masked scale-deformer of some kind that is connected to the blendshape. I dont know, im just really curious about achieving the same results. Im aware that 3Lateral is using some hardcore complicated techniques. I assume that there'll be a plugin or tool that's gonna be able to create this effect in the upcoming years, but do you think there'd be a way to create something similar manually?

Also I'm not sure if this is the correct place to post this thread, so if it isn't then im sorry user added image

Thanks
Marcus


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# 2 23-11-2015 , 07:52 PM
daverave's Avatar
The thin red line
Join Date: Aug 2009
Location: England
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You could try a set driven key for the blend shape and a 2 bump texture going (one with the set driven key running the transparency) into a layer texture node.............dave




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# 3 24-11-2015 , 03:34 AM
NextDesign's Avatar
Technical Director
Join Date: Feb 2004
Posts: 2,988
You guys are oversimplifying it - simply animating a global transparency won't achieve the correct results. You need to sharpen or blur the texture based on the amount of stretch that is present on each edge in the direction of the stretch/compression. You could use a tension map to give you the amount of stretch/compression. SOuP has one: https://www.soup-dev.com/ However, in order to replicate the paper, you need to blur/sharpen in the correct direction as well.

This video has more information on the technique: https://www.youtube.com/watch?v=tuZMMZ8vbNk


Imagination is more important than knowledge.

Last edited by NextDesign; 24-11-2015 at 03:41 AM.
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