The MOLD MAKING AND CASTING process is an essential method for creating multiples. This process is also necessary for transforming a model made in a non-permenant material such as oil clay, into a permanent or more desirable material such as polyurethane resin, fiberglass, Aqua-Resin, concrete, Hydrocal plaster, glass, or metal. Alternative media are frequently used as a casting material; this may include silicone rubber, latex, dirt, sawdust, chocolate, soap, candy glass, salt, sugar, etc.
Material Sources:
Material Sources:
-The Compleat Sculptor (TCS)
Website: http://www.sculpt.com/
Phone: Outside NY City: 800-9-SCULPT Inside NY City: 212-243-6074
Location: 90 Vandam Street New York NY 10013
Email: TCS@SCULPT.com
-Smooth-On
Website: http://www.smooth-on.com/index.html
Phone: (800) 762-0744
Location: 2000 Saint John Street Easton, Pennsylvania 18042
Common Rubber Mold Materials Needed:
-Mold Rubber (Silicone, Polyurethane or Latex) Or use Pottery Plaster for ceramic slip-casting
-Mixing buckets
-Mixing and measuring cups such as disposable drink cups
-Mixing sticks: tongue depressors, firm spatula, paint paddle
-Release spray such as Mann's Ease Release 200, check compatibility with media
-Sealant for porous surfaces Smooth-On Super Seal
-Cardboard or foamcore for mold boxes
-Duct tape
-Hot Glue
-X-acto knife
-Disposable rubber gloves
-Disposable 1" chip brushes
-Disposable 1" chip brushes
-Plastic Sheeting
Common Mother Mold Materials Needed (as a support for Brush-on Molds Only):
-Plaster (such as Hydrocal, avoid Plaster of Paris)
-Burlap
-Scissors
-Oil and Water based clay for clay walls and keys
-Aluminum Flashing for Shim, soda cans ok
-Vaseline
-Disposable 1" chip brush (for Vaseline)
-Alternate Option: Smooth-on brand "Plasti-Paste"
Common Casting Materials Needed:
-Casting material such as Polyurethane Resin (Smooth-On Smooth Cast 300), Smooth-On Foam it! casting foam, Plaster, Wax, Ceramic Slip, Concrete, Chocolate, Soap, etc
-Clean up casting with x-acto kife, small files, and sandpaper.
-Fill any holes with an epoxy putty such as Magic Sculpt available at the Compleat Sculptor.
Common Mother Mold Materials Needed (as a support for Brush-on Molds Only):
-Plaster (such as Hydrocal, avoid Plaster of Paris)
-Burlap
-Scissors
-Oil and Water based clay for clay walls and keys
-Aluminum Flashing for Shim, soda cans ok
-Vaseline
-Disposable 1" chip brush (for Vaseline)
-Alternate Option: Smooth-on brand "Plasti-Paste"
Common Casting Materials Needed:
-Casting material such as Polyurethane Resin (Smooth-On Smooth Cast 300), Smooth-On Foam it! casting foam, Plaster, Wax, Ceramic Slip, Concrete, Chocolate, Soap, etc
-Mixing buckets
-Mixing and measuring cups such as disposable drink cups
-Mixing sticks: tongue depressors, firm spatula, paint paddle
-Release spray such as Mann's Ease Release 200, check compatibility with media
-Disposable rubber gloves
-Disposable 1" chip brushes
-Plastic Sheeting-Disposable 1" chip brushes
-Clean up casting with x-acto kife, small files, and sandpaper.
-Fill any holes with an epoxy putty such as Magic Sculpt available at the Compleat Sculptor.
Videos:
Smooth-on Instructional Videos Mold Making Basics:
http://www.smoothon.com/media_video.php?category_id=1&category_name=Basics%20Of%20Moldmaking%20Videos
http://www.smoothon.com/media_video.php?category_id=1&category_name=Basics%20Of%20Moldmaking%20Videos
Smooth-on Instructional Videos Mold Making Advanced:
http://www.smoothon.com/media_video.php?category_id=2&category_name=Advanced%20Moldmaking%20Technique%20Videos
http://www.smoothon.com/media_video.php?category_id=2&category_name=Advanced%20Moldmaking%20Technique%20Videos
Tips:
-I recommend Smooth-On Oomoo 30 for simple box molds
-I recommend Smooth-On Rebound 25 for brush on Molds. ALWAYS use sulfur-free oil clay or other sulfur free materials for your model with this product. If sulfur is in the environment, go with Smooth-On Mold Max Stroke or a polyurethane rubber such as Smooth-On Brush-On 40 or Polytek 74-30 mixed with Cabosil.
-Note that Brush-On molds require a mother mold. This is usually made with burlap reinforced plaster or with Smooth-On Plasti-Paste.
-Note that Brush-On molds require a mother mold. This is usually made with burlap reinforced plaster or with Smooth-On Plasti-Paste.
-Always read through the technical bulletin (this is the directions for the product) before use.
-See Lifecasting and Metal pages for more information on these areas.
-Colorants (Smooth-On So-Strong) and Fillers (Pecan Dust, Marble Dust, Bronze Powder) can be added to your polyurethane casting. For clarity of color and filler try Smooth-On Color Match
-See Lifecasting and Metal pages for more information on these areas.
-Colorants (Smooth-On So-Strong) and Fillers (Pecan Dust, Marble Dust, Bronze Powder) can be added to your polyurethane casting. For clarity of color and filler try Smooth-On Color Match
Selected Artists that use this process: Liz Craft, Katharina Fritch, Jeff Koons, Tony Matelli, Allan McCollum Charles Ray, Kiki Smith, Rachel Whiteread
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