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 This special outhouse comes with a fold-down toilet seat, an opening door, and a custom-fit trailer hitch attachment to connect your outhouse to the back of your vehicle, although it's a lot heavier than the bumper dumper I personally created.