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 Cottonblass is a game. This 2 levels are city and fabric. Your challenge is to place cottonballs into the box. In tha fabric you need to put roof on the box. In the city you may open the with windows and the place the cottonball in the next OPEN building. The one with the balconys. I will upload more levels later.