Thursday, September 18, 2014

09 Plaster Production Molds Nº 143

Even though Math is not one of my strong points, I still like to try and figure out how much plaster to mix. Sometimes it helps, and sometimes it doesn't. This third piece has the dimensions of 5.0 inches by 5.75 inches by 1.5 inches. Click on the image to enlarge it.

1 CUP =  about 14.44 cubic inches

5.0 in. X 5.75 in. X 1.5 in.
43.1250 cubic inches

43.1250 cu in divided by 14.44 cu in
2.98649 cups

I round that off to 3.0

3.0 C X 8 oz
24.0 ounces

24 ounces divided by 2 (to get ONE part)

2 parts water X 12
24 ounces of water = 1 pound 8 oz water

3 parts plaster X 12
36 ounces of plaster = 2 pounds 4 oz plaster

24/36 = 2/3
.66666 (67 consistency)

I hope that's right?

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