This 3D model was originally created with Sketchup 6 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 one in my Cave Bot series is a just discovered fire bot. He is smarter then vr.2, as he accidentally discovered fire. He is very scared for his revealed invansion.