U user 4883 Well-Known Member Joined Nov 19, 2007 Messages 3,271 Reaction score 399 Jul 16, 2012 #2 personally, I don't see any issue with this
BridgeMan Well-Known Member Joined Aug 10, 2011 Messages 744 Reaction score 81 Jul 17, 2012 #3 Float in some low-modulus material (having a little give to it), such that it doesn't spall out.