Fill the cross shape, fit all the pieces into the rectangle.
These booklets are produced in Hungary by hand in limited editions; their contents are made of laser cut wood. This particular puzzle is based on a known mathematical dissection. Cross to Triangle has two challenges: Fill the cross-shaped hole inside the booklet. Fit all the pieces into the triangular frame inside the booklet. Cleverly designed with an attractively innovative book cover. Solution is included. Made by Péter Gál.