At Queen's University Dr. Matovic has produced CAD drawings fully detailing the design and dimensions of the [http://wasteforlife.org/wp-content/uploads/2010/02/Kingston-hotpress-documentation.pdf Kingston Hot Press] as shown in Figure 1.
Figure 1: Full CAD schematic of the Kingston Hot Press developed by Dr. Matovic at Queen's University in partnership with Waste for Life. Further CAD is available in pdf format at the WFL website.
The original design used 1/4" steel plates to press and heat the tiles. To overcome temperature inconsistencies which were producing burnt profiles the prototype plates were replaced with 1/2" aluminum plates.