Contemporary Serpentine Ware
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REUSABLE MOLDS FOR GLASS CASTING colourdeverre.com, and down- The formers should be spaced 1” loading, printing, and reviewing (2.5 cm) apart. Balance the glass “Serpentine Basics.” rods across the formers. The Sea Form Bowl Prime the Medium Serpentines with ZYP or Hotline Hi-Fire Primer. This is one of the few times we don’t recommend Hot- line Primo Primer™ be used on our designs. The formers are much denser than other Colour de Contemporary Verre molds and Primo doesn’t absorb well. Apply the primer ac- Serpentine Ware cording to the manufacturer’s in- The only way to discover the per- This project sheet details how to structions or see our website’s Pro- fect schedule for your kiln is by make two very different finished ject Ideas section for information observing the results at critical pieces embellished with shaped on applying Lubricoat. rods. Of course, the reader is points. This means that you will welcome to vary glass colors to Place a kiln shelf on your work- need to open the hot kiln and look create their own unique piece. bench and protect it with a piece at the rods. This is not as scary as it might sound but certain precau- nnn of ThinFire™ or shelf primer. (Again, follow the manufacturer’s tions must be taken. When opening a instructions.) hot kiln it is essential to wear eye protec- tion, heat proof gloves, and nonflamma- Even though the results are im- Place the primed formers parallel ble clothing. Only open the kiln’s door or pressive, this project is really pretty to one another on the kiln shelf. lid one or two inches – only wide enough straight-forward. First, “wavy” rods are created using Colour de Verre’s Serpentine Formers. Those Former Firing Schedule* are tack fused to a clear, double- Segment Ramp Temperature Check, hold, then check again thick glass panel which is then 1 400ºF/220ºC 1240ºF/670ºC 10-15 minutes slumped – rods down – into a slumping form. 2 400ºF/220ºC 1250ºF/675ºC 10-15 minutes 3 400ºF/220ºC 1260ºF/680ºC 10-15 minutes Instructions are included in the 4 400ºF/220ºC 1270ºF/685ºC 10-15 minutes Serpentine Former packaging, but 5 400ºF/220ºC 1280ºF/690ºC 10-15 minutes we highly recommend visiting the * Schedule for COE 96. For COE 90, increase casting temperature by 25ºF/15ºC. AFAP means Colour de Verre website, “As Fast As Possible”, no venting. Tools Supplies Availability ✓Medium Serpentine Formers ✓Hotline Hi-Fire™ or ZYP Lubri- Colour de Verre molds are avail- ✓Mosaic tile nipper coat able at fine glass retailers and ✓Bowl or plate slumping form ✓Neon Orchid, Aqua, Sea Green, many online merchants including and Sapphire glass rods our online store, Double-thick clear sheet glass www.colourdeverre.com. ✓ ✓Firing paper (ThinFire™) REUSABLE MOLDS FOR GLASS CASTING to see the rods. A flashlight reduces the least twice as many as you think rods in place with small dabs of need to open the door or lid wide. you will need so your design won’t white glue. be limited by materials. If you Program the kiln with the schedule don’t have double-thick glass, feel titled “Former Firing Schedule.” free to fuse two sheets of clear or After each hold, carefully open the tinted transparent glass instead. lid or door and observe if the rods have started to bend. If the rods When the disk has cooled, place it have not started to bend, let the on your workbench. Layout your kiln firing program continue. design and cut the wavy rods to When the right shape is reached, length. (In our design, we choose close the door or lid and shut off to extend the rods beyond the rim the kiln. Do not vent. by ¼”, however, this isn’t neces- sary.) Before the rods are glued in place, user a grinder or diamond Arrange the frit balls around the pad to round the rods’ outer ends. wavy rods in a pleasing pattern and glue them in place. Transfer Again, use the grinder or pad to the slumper and disk to your kiln shape the rods’ central ends to fit and fire according to the Rod together snugly. Lightly glue the Tacking Schedule. Sheet Glass Smoothing Schedule* Segment Ramp Temperature Hold 1 350ºF/195ºC 1400-1420ºF/760-770ºC 10-20 minutes The next step: Create the glass disk from the double thick, clear 2 AFAP 960ºF/515ºC 60 minutes glass. This will become the basis 3 100ºF/60ºC 700ºF/370ºC Off. No venting for the bowl. The size of this disk * Schedule for COE 96. For COE 90, increase casting temperature by 25ºF/15ºC. AFAP means will depend your design and the “As Fast As Possible”, no venting. size of your favorite slump mold. Rod Tacking Schedule* (We used a 10” disk because we Segment Ramp Temperature Hold wanted to use the Colour de Verre 1 350ºF/195ºC 1350-1375ºF/730-745ºC 10-20 minutes 7-10” Bowl Slumper form. We like 2 AFAP 960ºF/515ºC 60 minutes our slumper because it gives fin- 3 100ºF/60ºC 600ºF/315ºC Off. No venting ished pieces a flat base.) * Schedule for COE 96. For COE 90, increase casting temperature by 25ºF/15ºC. AFAP means Cut the disk, round the edges with “As Fast As Possible”, no venting. a grinder, and fire it on a kiln shelf Slumping Schedule* protected with either shelf primer Segment Ramp Temperature Hold or firing paper. Use the Sheet 1 250ºF/135ºC 1220-1250ºF/660-675ºC 10-20 minutes Glass Smoothing Schedule as a guide. In the same firing, create 2 AFAP 960ºF/515ºC 60 minutes frit balls following the instructions 3 50ºF/30ºC 800ºF/425ºC None in “Serpentine Basics” by nipping 4 100ºF/60ºC 600ºF/315ºC Off. No venting small pieces of rods. Create at * Schedule for COE 96. For COE 90, increase casting temperature by 25ºF/15ºC. AFAP means “As Fast As Possible”, no venting. REUSABLE MOLDS FOR GLASS CASTING When the piece has cooled, check Once the rods have been shaped to see if all elements are fastened. and the panel pre-fired, trace the Place the piece in a primed slump- glass panel onto a sheet of white ing molds – fused rods down – and paper. Connect the corners with fire according to the Slumping lines drawn with a straight edge. Schedule. Don’t skimp on the an- Place the glass panel back onto nealing and cooling cycles. The sheet of paper and use the lines to finished pieces has both very thick help layout the design. and thin sections and needs to cool slowly. Wavy Amber Plate The schedules and techniques for the Amber Plate are exactly the same as the Sea Form Bowl. We chose to use the Serpentine Form- ers to shape the Pale Amber rods but left the Black and Medium Amber rods straight. Again, use small amounts of white glue to hold the piece in place. Fire and slump as before. REUSABLE MOLDS FOR GLASS CASTING tion with “frit balls” and Colour (again, follow the manufacturer’s de Verre castings. instructions). Our formers are specially designed Place the primed formers parallel with added height to let the user to one another on the kiln shelf. determine how deep to make the For a gentle, generic wave, the waves’ curves. The formers are spacing between the formers can intentionally separate to give the be determined by adding the artist maximal flexibility and crea- width of the former to the glass tive options. thickness. For example: Suppose you are using the ½” formers and Preparing the Formers a glass rod. Add ½” (the width of Serpentine Basics This is one of the few times we the former) to ¼” (the diameter of Add “wavy” rods, stringers, don’t recommend Hotline Primo the rod) to get ¾”. The spacing noodles, and ribbons to your Primer™ to be used on our de- between the formers should be design “vocabulary” with signs. The formers are much ¾”. Colour de Verre’s Serpentine denser than other Colour de Verre Formers. molds and Primo doesn’t absorb nnn well. Instead use a traditional primer (Hotline Hi-Fire Shelf Primer or Bullseye Shelf Primer). Artists and craftspeople often Apply according to the manufac- speak about a “design vocabulary,” turer’s instructions. If you prefer, the materials and techniques they MR-97 Boron Nitride Lubricoat™ use in creating their artwork. For spray can be used instead. See our many glass artists, that is limited to website’s Project Ideas section for sheet glass and frit. A few people information on applying MR-97. While this method creates the clas- add rods, noodles, and stringers to sic wavy form, users are encour- their work, but usually as rulings aged to vary the spacing to achieve Spacing Spacing and borders. other effects. One can also mix Colour de Verre’s Serpentine former sizes. For example, using Primeoner larger, medium, and small Formers enable artists to add to Kiln Shelf their design vocabulary, letting former results in a great looking “squiggle.” them create glass “waves” from Setting Up the Formers rods, noodles, and stringers. These Place a kiln shelf on your work- Cut the rods to a length to span can be used alone, or in combina- bench and protect it with a piece the formers. A great tool for this is of ThinFire™ or shelf primer a wheel tile nipper. To o l s Supplies Availability ✓Large, Medium, and/or Small ✓Shelf primer or MR-97 Boron Colour de Verre molds are avail- Serpentine Fomers Nitride Aerosol. able at fine glass retailers and ✓Mosaic tile nipper ✓Glass rods, noodles, or stringers many online merchants including ✓Priming brush our online store, www.colourdeverre.com.