High Quality 3D Model. The character is rigged. You can move the helper and the droid will roll. There is a circle helper for the head rotations.
There are 3 .max files R2D2_Lighting.max is an exterior render setup R2D2_LightingStudio.max is a studio render setup R2D2_Rigged.max this is the only Rigged version. It has 2 helpers one box for the momevement and a circle for the head rotation.