C111-10 C111-10 from Dawson Lippa C111-10 Started to do section drawings. This is a half section of an object with a counter-bore hole through the top. I learned many new rules of sectioning. View PDF gLike C111-10 Started to do section drawings. This is a half section of an object with a counter-bore hole through the top. I learned many new rules of sectioning. Illustrator Illustration Share R 7 n Dawson Lippa First year CADD student Medicine Hat, Canada Follow Contact