The Paper Log Maker is readily available on Ebay.ie for sale now and auction.
http://search.ebay.ie/search/search....ypage=searc h
(when making a search for maximum results select the worldwide option at the left hand side).
The webpage listed by Buffy is very interesting,
http://www.newdawnengineering.com/we...tove/firecube/
Drying of the briquettes looks challenging in cloudy/wet conditions. The website mentions solar heating under a simple cover. How about inside an upturned ventilated black plastic water tank ?
DH