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Vellum 101 - Crushing A Can (Patreon)

Published:
2019-06-06 11:16:02
Imported:
2026-06
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Videos

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  • Vellkum_021_Plastic_Deform.zip
  • Vellkum_021_Plastic_Deform.zip

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Content

Ever felt so frustrated you needed to vent? By crushing an innocent can?


Look no further: In this tutorial we'll go through the steps necessary to use plastic deformation in Vellum to crush a virtual beverage can. No real aluminum was hurt in this setup.

Files

Previews only

Grains & Vellum 101 pt. 21: Plastic Deformations - Crushing A Can

Comments

jeremy jozwik

this is a good tutorial to do after trying to setup a windows virtual machine inside a linux install...

entagma

Hi Bruno, To me this looks like a combination of bool and copytopoints. If you're not in the mood to write the template point transforms yourself you might wanna give MOPs a try: https://www.motionoperators.com/ Cheers, Mo

amaru

Hi guys, thanks for the tutorial. So far we have only seen how to pin slowed down points in DOPs. Here we are at SOP level, so how can we get a similar setup to work here? //accumulating the stop/slow attribute for a certain number of frames, create a group from this threshold value and set the mass to 0 (or pin to target) for the given points? I and probably other non-houdini-experts would be really grateful if you could upload a quick exemple for this. Thank you!

entagma

Hi Philippe, I'm currently out of town so I won't be able to quickly put together an example file. But the technique should be really similar except for that you don't drop down your wrangles in a dopnet but dive into the vellum solver and do it there. The inside of a vellum solver is in fact just part of a dopnet. Cheers, Mo

jimbachalo

Mo, you mention using the simulated low res mesh in a point deform to deform a high resolution mesh. Since this is part of a useful vellum workflow could you perhaps briefly illustrate this in a .hip?

entagma
>>24842322

Hi Jim, did you have a look at the .hip file? It is set up there and frankly there's not that much more to it... Please let me know if there's anything specific that'd need clarification. Basically point deform is one of those rather straightforward bread and butter nodes. But I might not see the wood for the trees :) Cheers, Mo

Sofia Smith

Hey guys, I'm new to Houdini and wanted to say that your tutorials have been very helpful in my journey through this software. This might be a very easy fix, but if i were to upload a different .obj to this file (ex. a laptop) would it work? I've been having many "errors" show up and don't know how to fix it. Any advice? Thanks! Cheers, Sofia

entagma
>>25568404

Hi Sofia, theoretically this setup should work with a wide range of geometries. However some shapes might result in the need for further tweaking the simulation settings. But in general swapping out the geometry should work. Cheers, Mo