A space for your secrets. The latest project by Japanese studio Torafu Architects may look like a standard floating shelf, but it actually contains a slim secret drawer that can be opened with magnets.
Running an fan through the middle to blow air up the pipes would help it radiate out. Bend the pipes around a 55 gallon barrel and make a rocket style insulation around it with sand and plaster. Place some sort of central blower to control speed of air
Damascus steel is characterized by distinctive patterns of banding and mottling, reminiscent of water. Forge your own Damascus steel using a bike or chainsaw chain. Seriously, someone teach me To Blacksmith!