AutoCAD five minutes inside a football

I used to have a "10 minutes drawing a football" tutorial, now obsolete. Now referring to the "Z10 version" of the "stretch football cone" method, eliminating frequent cutting, simple production process, as long as four minutes to complete a beautiful football modeling. Now share it with you.

First look at the final effect:

Effect chart

Because want to explain clearly point, the word is post-production, so the letters in the diagram between the representative does not unify, please understand.

First of all, the command to be used to account, all on the tool bar:

Command Interpretation example diagram

Below is a screenshot of the key steps:

1, in the top view, first draw the edge of 50 of the positive Pentagon and is hexagonal, and then according to the drawings on the drawing and other auxiliary lines.

Figure 1

2, with the center point of C Circle, the center of rotation is hexagonal from the quadrant of the C round to point B, and the center perpendicular to the positive Pentagon is O point.

Figure 2

3, remove the extra auxiliary line. With O as the center of the radius of OB for the D-Circle, copy the Park B, the center of the circle fell on the D-Quadrant point.

Figure 3