This 3D model was originally created with Sketchup 7 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 Robin double neck guitar. Stevie Ray Vaughan and his brother Jimmy played this guitar in this video
http://www.youtube.com/watch?v=iSjRggiSBrU