Object moves through another

[raytork]

I created a simple model with a vertical shaft and a suspended bushing around it. When I run the model, the bushing drops down, then bounces through the shaft. If I push the bushing after it stops, it will not push through. Any suggestions would be most welcome.

Thanks
--Ray

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Bushing.skp

[Mr.K.1]

Well I always suggest having a walk through http://sites.google.com/site/sketchyphysicstutorial/

Essentially SketchyPhysics has no moving concave shapes, indents and holes can't be so easily done.
But what you can do is group basic shapes together to create an approximation of what you need.

[raytork]

Thanks, that is very helpful