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  1. #1
    Join Date
    Oct 2011
    Posts
    3

    Default How to get a 3d negative image/imprint of a 3d object (for a casting mold)

    Hello all

    Hopefully, one of you could give me a great advice:
    Is it possible to get (without a lot of efforts) a negative image/imprint of an imported 3d-object for example into autodesk 123d(freeware)??? Maybe I have to use another software?
    I do not want to use a complicated retopology tool.

    For a better understanding I try to give an example: Just imagine I want to replicate/cast an old coin. Thus, I import (from a friend) that already designed object (e.g. it has stl. format) to autodesk 123d.
    -> How can I get a hollow object/coin now (wallthickness would be equal 0 first)?
    Then I could extrude from that (negative, inner) surface maybe 2 millimeter outwards to finally gain the casting mold...

    Hope you understand my aim(s) and first approach for a solution?

    Thanks for any help!

    -Mark-

  2. #2
    Join Date
    Aug 2000
    Posts
    2,982

    Default Re: How to get a 3d negative image/imprint of a 3d object (for a casting mold)

    Couldn't you send the model to a 3D printing service and have it formed, then use the physical model to make your mold.

    http://www.google.com/search?sourcei...llll0&aqi=g4s1

 

 

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