Not a happy experience in Troubleshooting Posted January 12, 2021 23 hours ago, Christiaan said: The sill feature in the Window tool is a mess unfortunately. A little bugbear of mine too. Do yourself a favour and model them separately until they fix it. So! another satisfied new to the software customer, come on Vectorworks, we have been waiting years and years for this to get sorted. It is an important (vital) part of 3d modeling and it needs urgent attention.