Percent Change in Income Top 1% and Bottom 99% since 1979 3D Model almost 2 years 1 Project Shellter - Shell 01 3D Model almost 2 years 15 Economic Spiral 3D Model almost 2 years 1 Rubik5 (Professor) Cube Solver Robot 3D Model almost 2 years 2 Brancusi Endless Column Lego-compatible Playset 3D Model almost 2 years 3 Extending Gripper Toy (Kinda parametric) 3D Model almost 2 years 2