In theory the island has a clearly defined border. But where is it? The shoreline? In that case: low or high tide? Stormy weather or calm waves? Do the rivers belong to the island or to the ocean? And what about islands that are connected during low tide but separated during high tide?
Line: shellac and steel
Tunnel: shellac and fabric
Ocean: shellac and concrete
Tunnel with hand: shellac, fabric and hand
Melting: shellac and fabric
The amazing beauty of shellac in sunlight