Pelican Rapids Project Update September 10, 2019 Tom Christiansen Had a successful pour today of 4 of the heads for the benches. sand molds after having just been poured This is what they look like after coming out of the mold. More work is required to make them just right. Another good casting This is what the mold looks like before closing to cast it. The cardboard pattern is on the right. The black stuff on the mold is mold wash. It fills in the tiny spaces between the grains of sand to make a more refined surface and to save time later grinding to achieve a fine texture.