3D Tetris Parametric Puzzle

This thing has been inspired by thing:707024 but it has been totally rewritten from scratch, using a different approach. It has also been improved with new features like the capability to add layers so 3D puzzles can be created.

The number of blocks and layers are only limited by the amount of available memory of your computer.

The following parameters can be defined by the user:
- Size (refers to the unit basic block dimensions)
- Gaps
- Radius
- Box thickness
- Number of