Wedge for the Kensington SlimBlade Trackball. The stand applies 4.8 degrees of forward tilt to negate default positive angle of the trackball. Adds 12.7 degrees of sideways tilt for a more ergonomic operating angle. Optional wedge with matching sideways tilt for gel palmrest included.
Both stands have cut-outs with 9mm diameter and 1mm depth for 3M bumpons or similar non-slip dome feet.
The models are oriented for right handed use. Mirror along x axis for left handed version.
The author hasn't provided the model origin yet.