My landlady has her own studio and kiln for creating glass objects such as bowls, vases, sculptures etc. I thought it would be interesting to try and use a 3D printed mould to create a clay mould to slump glass onto. I came up with the following simple design to try out (created and rendered in blender):

I shall post more pictures as I progress with the idea.

EDIT: A bit of shameless promotion; if you're interested you can see the types of work my landlady does on her website [jeannettetherrien.com]

Edited 2 time(s). Last edit at 05/28/2014 04:44PM by samp20.

This is the 3D print I'll be using to make the clay mould:

Printed on an Ultimaker 2.

Edited 1 time(s). Last edit at 05/28/2014 04:45PM by samp20.

... you should smooth the surface with acetone-vapour ...

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Viktor
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Unfortunately it was printed in PLA, so acetone would not work.

I have just created the clay moulds. The roughness wasn't an issue since the cling film I used to stop the clay and plastic sticking also smoothed over the surface. If there were any rough parts then I just smoothed them by hand.

Edited 1 time(s). Last edit at 05/28/2014 04:52PM by samp20.