Constantly have to redraw CAD model

[[Ri...]]

I often work with large complex models, so I use colors to indicate areas I have completed as a visual guide.

Problem is, Calypso removes the colors nearly every time I create a new feature, although it appears it's not removed from every CAD feature a color is applied to.

Why do I have to constantly redraw the CAD model?

[[Ma...]]

I think this will have something in the way ACIS driver works in Calypso. Everytime you create feature, it want's to create it on model. But if it thinks it's some face on model, then it's not created, but only colored.

I faced same problem with marking faces which are machined. Only way to avoid that was editing color of feature on CAD settings ( one of that colors will fit with yours ).