Few Issues Recreating Punching Bag

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andrewwhodgson

• 2020年04月12日 07:12

Hi Everyone,

I'm trying to recreate this punching bag in CLO and I've run into a couple trouble areas keeping me from creating a realistic model.

Below is my reference photo:

This is where I've got it to so far in CLO:

 

Problem #1: the fabric holding the bag from above and below slips through the fabric straps on the bag once I move them further apart to create realistic tension. Is there any way I can stop this from happening?

Problem #2: The bag I'm referencing uses skiving and glueing to create the straps on the bag. In CLO I'm using stitches to try and recreate the effect but it doesn't look as natural. I've played around with the bond property but the added stiffness doesn't really help. Is there any tool for actually glueing the fabric together or a better solution than what I currently have?

Thanks in advance for the help!

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• pablo.quintana

  • 2020年04月12日 23:59

  Andrew, here are my thoughts:

  For problem 1, you should decrease the particle distance on both the bag and the fabric holding it so you have more geometry to collide. Now, if I were doing this, I would pull the bag extremes with pins (just like you are doing with the straps) and then add the straps as a visual prop only and not as the mechanical feature to pull the bag.

  For problem 2, I'm not completely following the problem, but stitches is the only way to join pieces of fabric together in CLO (there are tacks, but not for this purpose).

  What is the purpose of this punching bag? Is this a prop for a 3D game, are you testing leather patterns? If the first, maybe this is a job suited for sculpting or mesh modeling rather than simulation with fabric.

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• andrewwhodgson

  • 2020年04月17日 00:40

  Hi Pablo,

  Thanks for your response!

  I'm creating a digital version of the punching bag so I can do some look development and experiment with different materials on the bag through renderings. I want the construction and shape of the bag to look as close to the reference image as possible and I'm really not getting the result I'm after using stitching. With the stitching, the straps on the bag puff out in their centers whereas they are laying flat in my reference photo. Do you have any suggestions for any other tools or workarounds I could use to get the result I'm looking for?

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