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 unit is made with bamboo pole- 1 1/2to 2 dia. Simple to make and sturdy. will last a long time. The finish can be french polish with staining. The skin is removed and the entire process of polishing is done. Wood filling, sealing, staining and top coat.