thi is called Wedging, its a dull tedious and labour intensive undertaking.
if the clay is too wet, you have to knead the clay onto an absorbant surface to work out the excess water. This project builds a table for this purpose. a wood fram surrounding a 3 inch thick hard plaster top. with a convient clay storage shelf under neath.
Step 1: Building the Top Frames
you need three of these.
Step 2: Connecting the Frames to the Legs
Step 3: Setting in the Wire to Support the Plaster Top
once you are ready to pour tho plaster, put a roll of clay allong the top edge of the top of the table and flip it onto a flat peice of clear plastic.
Step 4: Pouring the Top
Step 5: Fit and Finish
clean it up let if cure and your done..
Step 6: Materials List
you will also need a screwgun or a screwdriver,
a saw to cut the wood, either a hand saw or a circular saw, I use a japaneese carpentry saw to cut the 4x4's
total cost of materials was under $35
See my Kick wheel project featured on the front page:
How to make a Fish Candy Pot
Moose Makes A Pig
Step 7: Prototype #1
the size is a bit smaller, and the legs are quick braced amd splayed out a bit to adjust for the not-level floor. I made this two years ago and it;s still in good working order.
never scrape the top of the table to clean it, use a wet towl and wipe it off. scratches in the hardened plaster only get worse, and it the plaster starts to flake, its time to build a new table, plaster dust in clay will make the clay explode in the kiln.
a diffrent option, instead of plaster would be to use portland cement, though that will make the table weigh several hundred pounds.....