BuildWalker offers two separate services for homes in Canada. 1. 3D walkthrough, from CA$990: send a floor plan, and in 2 business days your buyers walk the furnished home on their phone, room by room. 2. Engineering model, quoted per project: the same house with structure, plumbing and electrical, checked against Alberta codes. Exports to Revit, ArchiCAD and AutoCAD. A licensed designer signs any permit drawings.