Glass Tips from Verrier

Information on stained glass, fusing, kilnforming and glass working

Friday, 14 March 2025

Draping over steep moulds

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  Draping over a narrow or small supporting ridge with large areas of glass is difficult. One solution might be just to invert the whole pie...
Wednesday, 12 March 2025

Dog Boning in Slumps

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I have done a few experiments on rectangular moulds with 3mm and 6mm thickness. I could not eliminate dog boning with larger rims, slower ra...
Wednesday, 5 March 2025

Pressing glass

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I have been looking for a different way than flows or melts to mix colours and thought glass pressing might be a promising way to achieve ...
Wednesday, 26 February 2025

Stress Analysis of Broken Glass

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Will stress still show with polarised filters on cracked and broken glass? It's not a straightforward answer. I was looking at some ...
2 comments:
Sunday, 23 February 2025

Rapid Ramp Rates with Soaks

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I have seen many schedules with initial rates of advance interrupted by soaks.   These kinds of schedules that are written something like ...

Cordierite/Mullite vs. pizza stones or tiles

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Description of the materials Cordierite refractory shelves are generally combined with mullite to achieve low expansion rates.  These ...

Flat Kiln Shelves

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A question has been asked about using tiles in addition to standard kiln shelves to fire glass upon.  Yes, you can use the unglazed backs...
Friday, 21 February 2025

Element Coatings

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You will notice that after the initial few firings of your new kiln that a grey residue forms on the elements.  This is a protective laye...
Wednesday, 19 February 2025

Time and Temperature

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credit: timeanddate.com Credit: Shutterstock “What are the pros and cons on turning up the max temperature slightly Vs. a longer hold time”?...
Wednesday, 12 February 2025

Refractory Fibre on Top of Glass

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“I've made this stencil out of rigidized SilkeMat. Can I fill it with powder and/or frit and leave the stencil on the glass when I fire ...
Monday, 10 February 2025

Reversibility of Boron Nitride

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After using Zyp/MR97, can I sand it off and use kiln wash? Some people are applying boron nitride to ceramic moulds for the ...
2 comments:
Friday, 7 February 2025

Cutting thin strips

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Cutting thin strips of glass such as used in Mission Style patterns and precision fusing projects requires skill and assistance. For transpa...
1 comment:

Cutting from Cartoon

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The cutting of glass directly over the cartoon without patterns is variously called trace cutting, and English or European method. The adva...
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