... performed on sheet metal, paper, glass, rags, etc. These objects are flat in nature and do not include 3D features or edges of features. However, structural parts which are produced using casting process are complicated and are composed of a large number of features. When these parts are machined (flat...

... Family Foundation. We also thank the anonymous reviewers of this and an earlier conference version ( 27 ) for helpful comments that improved the exposition. parting direction undercut moldability molding casting computer aided design computational geometry In molding or casting...