Polygon 正多边形

Polygons can have between 3 and 1024 sides

Specifying the center point and radius of an imaginary circle

    

Specifying the start point and endpoint of one of the polygon edges

Rectangle 矩形

Specify the first corner, then the opposite corner

Arc 圆弧

Creates an arc based on 3 points

Circle 圆

Select a center point, then specify the radius

3P

2P

Ttr

Line 直线

Create a single line or multiple line segments from a start point to an endpoint

1. Click a point to start

2. Point a direction and key-in the distance ...

3. Key-in C at the last point to close the object