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Compy Skewb very difficult custom RubikCurvy Copter II very difficult custom RubikDino Skewb very difficult custom RubikCurvy Copter very difficult custom RubikTom van der ZandenMaster Brilic very difficult custom RubikTetrahedral Twins special custom stella octangula RubikHoley Octahedron custom Rubikexclusive fully functional 3x4x5 cuboid very hard and difficult custom Rubik1x2x3 cuboid fun and easy cheap custom Rubik

I'm Tom van der Zanden, a Dutch puzzle designer. My puzzles are inspired by the Rubik's Cube and include the Curvy Copter puzzle and Dino Skewb. I design my puzzles in SolidWorks and use Shapeways' white strong and flexible 3D printing material to manufacture them. You can buy some of my puzzles as kits in my puzzle shop or order puzzles directly from me.