Draw Menu: Spiral

Draw a spiral.

The icon in the upper left corner can change the type of spiral.

There are three types of spiral: equidistant, increasing pitch, and decreasing pitch. Select the pitch increasing and decreasing to set the minimum and maximum spiral pitch, set Minimum spiral pitch value as the pitch of the equidistant spiral.

The icon in the upper right corner can set the marking direction.

Roundtrip mode: After checking, the software view will have a spiral with the end of the end as the starting point and the starting point as the end point.