Involute - Stewart Coffin Design #214 by Mat Nedeljko

Mat really did outstanding work on this puzzle.  Crafted from Maple, Wenge and mahogany.

This revised version of Stewart’s ’Convolution’ series uses a key piece that must be removed before disassembly can commence.

Stewart wrote:

 “I recorded about a half-dozen experimental modifications of Involution #198 including this one. It uses eight pieces rather than seven. One step of assembly involves coordinate motion of a most baffling kind – both rotational and linear simultaneously. The use of colorful woods symmetrically arranged aids in the assembly of this otherwise 

difficult puzzle.”