Scrape as much paint off the fabric as possible, using the putty knife.
Mix a solution of 1 part dish soap and 1 part water. Dab a little of this solution on a small, inconspicuous spot of the fabric to test for colorfastness. Rinse and let it dry. If the fabric appears damaged or discolored in any way, stop and consult a professional cleaner.
Dab the stain with a sponge dipped in the dish soap solution. Rinse with clean water and repeat until the paint is removed.
Scrape as much paint off the fabric as possible, using the putty knife.
Dab turpentine on a sponge and apply on a small, inconspicuous spot of the fabric to test for colorfastness. Rinse and let it dry. If the fabric appears damaged or discolored in any way, stop and consult a professional cleaner.
Dab the stain with a sponge dipped in turpentine. Rinse with clean water and repeat if necessary.
Rub the stain with a bar of soap, then rinse with clean water and a white cloth.