There are several names for this puzzle: Octagonal Prism Puzzle, Magic Octagonal Prism, The Barrel, and The Octagon. In the solved position four of the rectangles connecting the octagons are made up ...

The redesign of the Tower 300 is pretty significant, as the case looked great before, but Thermaltake has ditched the more rectangular design in favour of this stunning octagonal prism shame.

Designed as a distinctive Octagonal Prism Shape, The Tower 300 has a sleek style and three tempered glass panels that provide the views that allow you to show off the sophisticated interior.