This 3D model was originally created with Sketchup 13 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 bed is designed to be assembled without any tools. The interlocking joints provide a safe and stable platform while the bed rails are created in an I-Frame style so it is all very strong yet simple to build.