Is there an open source (or free) program available that will let you create a floor plan and then do a 3d walk-through?
take a look at http://www.cycas.de It's a 2D/3D drafting program that can output to POV-Ray. The interface is different (maybe it's normal for drafting programs) but can do a lot when you get used to it. I haven't figured out the 3d part yet.
I don't want anything that complex. I've seen Windows programs that are specifically designed to do floor plans and then let you do a 3d walk-through.
-- Andrew Gaffney
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