TipSheet 8: Basic Lost Wax Kilncasting | Kilncasting

TipSheet 8: Basic Lost Wax Kilncasting


Tips for lost wax kilncasting at home or in the studio


Overview

Lost wax kilncasting is a versatile method for making glass pieces in almost any form imaginable. The process involves creating a refractory mold around a wax model. The wax is then removed—or “lost”—creating a cavity. Glass is cast into the cavity, resulting in a fully sculptural finished piece.

This TipSheet covers the steps involved in making a fully sculptural cast glass object using the lost wax process.

  • Making a two-layer refractory mold of a wax original
  • Steaming out the wax
  • Calculating the amount of glass needed
  • Curing the mold to ensure better performance
  • Preparing the kiln for firing
  • Casting the glass into the mold
  • Divesting the piece from the mold materials
  • Coldworking the finished piece

Read/Download

TipSheet 8: Basic Lost Wax Kilncasting PDF
(Revised July 25, 2014)

Video lesson

Video lesson: Lost Wax Kilncasting
(Subscription required)

Helpful Resources

What to Expect from Bullseye Glass
Working with Accucast 880 Blue
Bullseye Annealing Chart for Thick Slabs PDF
Glass Cleaning Basics PDF
Kilnforming Notes PDF
Safety in the Kiln-Glass Studio PDF

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Accu-Cast Alginate 880 Blue, 1.5 lbs (.68 kg) (8712)
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Leponitt Heavy Duty Running Pliers (7007)
Toyo Self-Oiling Cutter (7010)
Respirator