Hi Michael,

I am seeing a number of problems with the display of models that have been boolean subtract. I have attached a simple model, if you boolean the spheres off the block one by one you will see the problem. saving/re-loading the model or (for example) adding rads to the model does correct the problem, but as I do not see this problem in V1 maybe you have been changing the display meshing in some way.

After boolean of all the spheres I see (as example) this:-




- Steve