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  1. #1
    LetterCAM.com
    Join Date
    Oct 2005
    Posts
    186

    Engraving in foam question

    I was thinking about engraving in a block of foam where letters are left in a box. Anyways, do I need to use a certain type of foam such as the density? Or can I use plain ole styrofoam? I saw some sheets on ebay 2" thick that seemed cheap.

    And is there something i can spray on the foam when done to make it stronger?

    Thanks!

    Warren
    LetterCAM CNC Software
    http://www.LetterCAM.com

  2. #2

  3. #3
    Banned
    Join Date
    Mar 2006
    Posts
    1625
    use a closed cell foam(if it floats it's closed) open cell will retain water

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