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How To Inflate An Object

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This tutorial teaches you how to inflate an object using nCloth.

Set-up

Download this example file.

Set the menu set to nCloth.

Go to window>settings/preferences>preferences. Go to the category timeline and set the playback speed to "play every frame".

nCloth

First we need to set up the nCloth.

Step one - Select your model and go to nCloth>create nCloth.

Step two - Open the attributes editor (window>attributes editor). Go to the tab nucleus#.

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Step three - Go to ground plane and check use ground plane. This will make an invisible ground at grid level.

Deflating

First we need to deflate it.

Step one - Go to the nClothShape tab in the attributes editor and set the thickness to 0.041.

Step two - Roll down to dynamic properties and set the stretch resistance to 102.

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Step three - Play the animation. It will take about 120 frames until it gets completely deflated.

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Step four - With nCloth still selected, go to edit nCloth>initial state>set from current. This means that the current position of the nCloth will be the same position that it starts in. Set the animation back to the first frame.

Inflating

Step one - Select your nCloth, go to the nClothShape tab and roll down to pressure.

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Step two - Set the pressure method to volume tracking.

Step three - Set the pump rate to 10. Note: Even after the object is fully inflated, nCoth will continue pumping air into the object. It's best to key frame this value to stop after the object is inflated.

Step four - Set the incompressibility to 3.3.

Step five - Now roll back up to the dynamic properties and set the compression resistance to 13, and the bend resistance to 23.

Step six - Play your animation and you'll see the animation inflating.

Video(Playblast)

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