Slip Casting into direct print VOHP molds

After our success, with glass casting in VOHP plaster (USG Hydroperm), we had a discussion in the Open3DP lab about “What’s next?”.     The students in the lab are working on their final two class projects, one of which involves printing molding masters.  They use the masters to create plaster molds for slip casting.      It seemed like a natural thing to try 3D printing of slip casting molds.

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We printed a simple two part mold for our test pot – SW Pot.  The resulting molds looked just fine but how would they perform?  We tested the mold pair with low fire slip (also known as talc-body slip).  It seems that the printed molds performed at least as well as traditionally created plaster molds.

It seems that our students will be producing slip casting molds a new way in the future.

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4 Responses to “Slip Casting into direct print VOHP molds”

  1. […] materials, helping others present their work,  innovate for 3dp efficiency, design and fabricate, casting of all sorts, education and training, co-working with rapid prototyping, and with the right […]

  2. Was this mold created with the hydroperm and saki recipe?
    Thanks!

    • 3dpglass Says:

      yes it was. You might wish to bake it (~100 c) for an hour, and then spray it with a generous amount of
      water. Then rebake it. This will set all of the hydroperm on the inside of the mold. After that,
      you should use like any other slip mold.

  3. […] materials, helping others present their work,  innovate for 3dp efficiency, design and fabricate, casting of all sorts, education and training, co-working with rapid prototyping, and with the right […]

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