Mold companies usually do not stock molds on their shelves anymore unless the number of molds they carry is less than 500.
Ceramic mold making original bisque stuck in mold.
Place a piece of paper or plastic wrap across the broken half covering the cavity and glued inside seam then fit it together with the non broken half of the mold and belt or band it together making sure it is a tight fit and that the broken pieces are properly aligned.
Making your own bisque slump or hump molds is probably the easiest and most accessible way to get into mold making in ceramics.
Be sure to download your free copy of the ceramic mold making techniques.
When the foot is finished trim the excess slab to about inch away from the rim of the bisque mold 13 and compress this clay into a nice rounded edge above where the clay meets the bat.
Then take a straight needle tool and holding it flat against the bat surface press inward until the needle tool can be felt dragging on the bisque mold.
Then pour the colored slip out of the mold and let it drain figure 6.
Once the slip has stopped dripping from the mold immediately pour in the white casting slip.
You then have a durable hump mold you can use over and over without even touching a bag of pottery plaster.
Tips for making plaster molds and slip casting clay is a great place to start.
Tips for making plaster molds and slip casting clay.
Pour the colored casting slip into the mold and let it set up for approximately ten minutes figure 5.
I was attempting to slump two pieces of previously fused glass onto an oval shaped ceramic mold.
Wet the mold with a sponge.
Delivery time of molds is between 3 and 6 weeks.
When clay is pressed against the bisque mold it immediately begins to shrink and constrict which could make it difficult to remove from the mold so i recommend starting with a fairly shallow bowl design.
Accessory finishing components bisque china brushes art sets ceramic equipment clay casting slip clay other craft tools decals electrical lamp firing supplies glass glue tape literature video molds mold supplies bands straps casting supplies in stock mold specials manufacturer mayco slip cast molds mold catalogs.
If you re interested in exploring the world of making plaster molds for slip casting or handbuilding ceramic mold making techniques.
I d applied 4 layers of kiln wash to the mold but it sat for about a month before i used it for fusing.
All you do is create a prototype form that you can slump a slab of clay into or over bisque fire it and presto.