IPP 1819 Packing - Rik Van Grol - IPP 19

This is a cool assembly puzzle that requires you to change the number 18 to 19 to reflect the IPP that was held in London in 1999.

Rik wrote:

“This puzzle uses a subset of the set of shapes from ‘Rik’s Cube Kit’, which was the subject of my exchange gift for IPP 10 in London in 1989.”