I like the duality between the stone and the wood, doesn't have to be exactly like it but presents a good shelter and oven idea.
Veritas® Transfer/Log Scribe :: The Veritas transfer scribe is used for transferring the contours of one shape onto another. This is what makes it an ideal log scribe. But this also makes it an excellent carpenter’s scribe. | www.leevalley.com...
Cutting dovetails on your bandsaw. Heres a shot from a different direction that offers a better view of the action.
Other Log and Timber Projects by Sitka Log Homes | Log and timber bed frame