This 3D model was originally created with Sketchup 8 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 For Sale: Small convention centre. First floor has ADA bathrooms, mini-kitchen, library, computer workstations, and reception area. There is handicapped access at the rear. 2nd floor, 3rd floor are open with 9'ceilings and storage. Attic is open with tall ceiling up to the ridgeline and storage There is a double height round room in the tower.. There is elevator access to all 4 floors. This model is based on one I saw on Sky Island. TY to the author of that model. All levels are on layers, the interior items are components in case someone wants to develope the interior and does not want them. TY Paul for the bathroom items.