Kiln casting glass, Pate de Verre workshop

Glass Kiln forming workshop  April 7 thru 13th, $300pp+(optional) lab fee  12pm start.
This intensive class introduces fundamental concepts of creating glass objects in the kiln either through lost wax casting, Pate de Verre or a combination of the two.Learn the art of lost wax casting glass, and pate de verre.  From paper thin to thicker lost wax models, adding metal inclusions, and more. Students will learn how to make moulds from existing objects using Alginate, as well as model new ones from clay and wax. Hand built moulds and box moulds will be made with various refractory materials. Students will learn different firing and annealing schedules for casting & pate de verre. Hand cold-working without the need of expensive equipment! No experience necessary!  All materials are included. Students are required to bring in their own half-face respirator with particulate filters. Aprons are available for use at the studio, as are all tools and equipment necessary for sculpting, firing and cold working glass, however, students are welcome to bring in their own tools, etc., just make sure your items are marked. kiln casting workshop
 Size max 3 inches in any direction.
Day 1: Replication. Students will make simple alginate moulds from items they wish to cast in glass. Examples: plastic/vinyl toy/action figure, anatomical models or small branch, unusual vegetable/fruit, seed pod. Items could also be modelled from Sculpey clay and fired ahead of attending the workshop. Glass options are discussed. While the silicone/alginate moulds cure, students build a small bowl form out of clay (add texture/details) and from there build a refractory mould, once set-up the clay is removed and students are shown how to apply glass to the mould a la Pate de Verre. Colour samples (towards casting) are also made on this day.

lost wax cast chill peppers in glass

Day 2: Wax pouring and hand-built moulds. Students pour multiple waxes from their silicone/alginate moulds, refine their wax models (add or subtract). Models are then weighed and various glass options are revisited. Once glass choice is determined pouring gates are added to models and then a silica based refractory mould is built around the wax models. Once moulds set up the wax is then steamed out. Meanwhile, glass is weighed, and cleaned. -Items are cast & annealed over the week.

Pate de verre bowl

Day 3: De-mould kiln castings/cold working Students remove their kiln cast objects and start the cold working process. Various methods and equipment are discussed and demonstrated.
Day 4: Finish cleaning kiln cast objects.

What’s included:1.5 kg of glass, silicone/alginate materials necessary for mould building, Refractory materials, Wax, Nitrile glove, sn95 Particulate respirator, Cold-working consumables

Lab fee (optional): $100 covers Gaffer crystal colours*, Bullseye colours: sheet, billet, fine, medium or coarse frit, metals.. Students are emailed concerning glass colour choice, otherwise everyone works with clear glass and coloured frit (further info concerning this below).

Glass: we will be working with Bullseye glass (clear).
For the Pate de Verre project participants work with clear fine frit, and may add colour through painting onto the mould surface using glass Powders. The studio has a basic colour palette of Bullseye Glass Powders in red, orange, yellow, greens, and blues along with black and white.
For the kiln casting part of the course participants are working with Bullseye glass Crystal Clear Kilncasting Cullet. Or Gaffer crystal (please see below).
Projects: we will complete several projects
1- colour samples for cast items.
Working with Alginate or Hydrogel
1- Pate de Verre- thin walled ‘casting’, open-face mould.
1- Solid kiln cast form, discuss refractory materials, mother moulds, face coats. Venting/gating/sprueing up your wax model.
Note:
If you want to work with coloured Bullseye Glass Frits (fine, medium, course, etc for Pate de Verre and/or casting), Billets (casting only) or Gaffer Crystal (Not compatible with Bullseye, only used in solid casting part of course)> that is extra (the Lab fee) and would need to be ordered ahead of the class. This is not mandatory at all, though.
That said, if you are unfamiliar with Bullseye and/or Gaffer glass you of course would ask:  …What’s the difference, why would I choose to work with one over the other?
Bullseye glass is made from Soda Lime, and depending on colour various oxides, metals, pigments are added. Gaffer is created similarly however it has a low viscosity at normal casting temperatures and has virtually no tendency to devitrify -at all- at top casting temperatures, nor on its descent in temperature down to the annealing range. Furthermore, its very low viscosity, 
and low surface tension at 780-900°C. (1426-1650°F), leads to very good surface definition. This makes it especially suitable for jewelry scale pieces, as well as large work.
 
Bullseye Glass is offered in various forms: Sheet, billet/cullet, Frit, Rod, Stringer, Dichroic, Powder.
Gaffer casting crystal is offered in: Billet, chunky ‘frit’.
 
There will be items on display at the studio made from both Bullseye and Gaffer. 
 Links to view glass colours (Frit, Billet), and Gaffer crystal.

Sculpt molten glass

glass cabsGlass cabochons, bezel settings & fold forming, heat rivet connections & simple hollow forms. 4 evenings starting Tuesday June 7th-28th (runs Tuesday evenings 6:30-10pm), $280pp Deposit of half required to hold seat. Seating is limited-register soon!
Students form molten glass into cabochon forms for bezel and tab settings.
1st evening: Working with hard glass students learn how to form, add inclusions, powders, and foils to create cabochon forms. Annealing schedules are discussed, learning heat control and manipulating molten glass.
2nd evening: Students remove their glass ‘cabs’ from the annealing kiln, inspect them, cold-work if necessary and start to design and solder their bezel settings. Fold forming, heat rivets (or pinning) is demonstrated, and hollow-form construction. Students start to build their pieces.
3rd evening: Thick wire tab setting is demonstrated. Students continue building their work.
4th evening: Students finish up their projects.

What’s included: Copper, brass, solder, all glass and copper metal foil.
Students are encouraged to bring in their own fine silver foil, bezel wire and sterling silver sheet, but this is not mandatory.

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