Using printed images in kiln fired glass

Using a HP laser printer it is possible to take a photo that you have taken and embed it in to the fused glass. You need special transfer paper that you print on to using a high iron content toner. Once printed you cut the image out and then soak it in water to float a thin plastic layer off and then put it onto the glass. You have to make sure that bubbles are removed. But so far its not clear if there is a difference between toner up or toner down on the glass. hen one can fire down on to the shelf or fire up. If I am doing a single layer then I fire down and if its covered immediately then fired up.

Two findings so far.

a) on clear one can fire lower than on white or vanilla. Sometimes when you wash the piece if it hasn’t fired properly the image just comes off:-)

b) If the image is fired on white then the image definitely is sepia in tone. But if its fired on vanilla then if you fire a second full fuse fire with a cover then the image goes darker!

 

laser printed image fired between vanilla and clear bullseye glass to a full fuse.

laser printed image fired between vanilla and clear bullseye glass to a full fuse.

 

Here the deer is the sepia colour as fired but strangely the watery effect occurred during the first fire. Then painted using Held company ceramic paints and fired with a coating of clear.

laser printed deer with painted background

laser printed deer with painted background

 

About alfeze1

Although computing has my way of life and has been for the past 30years or so my loves are; making things inc many arts and crafts, gardening, photography, birds and wildlife and the occasional bit of sport like skiing... or at least apres ski:-) We are also involved with the NWPG and the Kennet and Avon Canal Society and crew occasionally on the Rose of Hungerford. A canal boat that runs public trips to raise money for work on the Kennet & Avon Canal. In a few months I hope to leave behind computing, and devote myself to creation instead of just fixing. I will them start to publish on a more regular basis.
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1 Response to Using printed images in kiln fired glass

  1. chatterglass says:

    The reason the decal paper works only with HP laser printers is because ‘genuine’ HP toner for these printers contain iron – so that magnetic character recognition is possible with printed documents. So, in the kiln, the decal paper and the non-metallic part of the toner burn away leaving the iron part which diffuses into the glass to produce the sepia/amber colour.
    By implication, toner-down will give a clearer image than toner-up.
    Incidentally, this implies that using non-HP toner may not work but I’ve yet to test a cheap “compatible” toner.

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