M
2015-12-01 13:22:21 UTCmeganicc59
useful concept.
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 3D diagram showing the main fold structural elements: fold axis, axial plane, hinge and limb