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Kinematic / Simulate / Cloth & soft

Simulate cloth and soft bodies.

Flags, tablecloths, jelly, balloons, sand and stuffed toys, all from one solver.

Download for macOS 0.5.0Back to Simulate
Things to make
a stuffed teddy dropping onto the floor, squishing and bouncing back
01

Hang a flag in the wind

Pinned along one edge, rippling and folding.

  1. Make a grid.
  2. Make it cloth and pin one edge.
  3. Press Play and add wind.
3DGeoGrid→PBDSimClothConfigure→PBDSimSolver
a flag pinned to a pole, blown out and swinging back
02

Drape a cloth over a box

It sags, catches on the corners and settles.

  1. Start a round cloth well above the box.
  2. Let it fall.
  3. It settles over the edges in soft folds.
PBDSimClothConfigure→PBDSimSolver→3DGeoSceneRenderToImage+3DGeoSdfFromMesh
a round cloth falling onto a box and settling into soft folds
03

Stuff a teddy bear

Cloth outside, pressure inside, a squish when it lands.

  1. Import the bear.
  2. Wrap it in the stuffed toy setup.
  3. Drop it. It springs back.
3DGeoImportOBJ→3DGeoPolyreduce→PBDSimStuffedAnimalConfigure→PBDSimSolver
the teddy right after it lands, the stuffing pressing out against the cloth
the teddy right after it lands, the stuffing pressing out against the cloth
04

Blow up a balloon

Air flows in, it swells to ten times its size and holds.

  1. Start from a small sphere.
  2. Make it a balloon.
  3. Set how fast the air flows in.
3DGeoSphere→PBDSimBalloonConfigure→PBDSimSolver
a balloon swelling as the air flows in
05

Pour a sand pile

Grains bounce, settle and find their slope.

  1. Fill a shape with grains.
  2. Set the friction and the bounce.
  3. Pour it onto the floor.
3DGeoBox→PBDSimGrainConfigure→PBDSimSolver
grains piling up
grains piling up
06

Rip a sheet

Pull too hard and pieces tear away.

  1. Hang a sheet between two rods.
  2. Set how far it can stretch before it breaks.
  3. Drop a heavy ball on it.
PBDSimClothConfigure→PBDSimMicrosolverBreaking→PBDSimSolver
a heavy ball dropping onto a hanging sheet and ripping it in two
Take it further

It all connects.

Every part of Kinematic works with the others. Wire one into the next.

Create

Drape it over a scan

A scanned object becomes the thing the cloth falls on.

3DGeoSdfFromMesh→PBDSimSolver
Show me →Play

Catch every beat

Every hit fires a trigger you can count or cue.

AudioOnsetDetect→Counter
Show me →
Create

Take it to your renderer

Save the result as Alembic.

PBDSimSolver→3DGeoExportABC
Keep going
← PreviousFire & smokeSimulate fire and smoke.
Soft bodies guide, under Help in the app→Browse the Simulate demos→Coming from Houdini?→

Free and open. Yours, forever.

No account, no license key. macOS, Windows, Linux and Raspberry Pi.

Download Kinematic 0.5.0