Crafty cut is a block slicing game that offers three creative game modes dealing with 2d and 3d geometry. puzzle mode slice and dice to reveal 2d facets of a wide array of 3d shapes across several different sets of puzzles of increasing difficulty. sandbox mode unlock new materials with which you can experiment to your heart's content. rotate mode rotate a 3d polygon as it drifts toward a hole in a wall so that it passes through without crashing. crafty cut will only work if you have an amplify login and license provided by a school. you can download the app without a login, but you will not be able to use the app without a valid amplify login. educational institutions can contact amplify for more information.