In the previous sections we drew the profile of the part and created the surface. In this section we will make a hole, an octagon with a radius of 10 units, in the surface of the part. First we will draw the octagon.
Creating two sides of the octagon
Figure 18. Creating the
first quadrant
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Figure 19. Symmetry relative
to the vertical axis
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![]() Figure 20. Symmetry relative to the horizontal axis |
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