Draw a shape in Numbers on Mac
You can create your own freehand shapes.
Click in the toolbar, then click .
Click anywhere on the sheet to create the first point of the custom shape.
Move the pointer, then click to create another point; continue adding as many points as you want.
To create a curved segment, click then drag, then click again to finish the segment.
To delete a segment you just created, click a point to select it, then press the Delete key.
To complete the shape, do one of the following:
Close the shape (add a solid line between the last and first points): Click the first point.
Leave the shape open (no line between the last and first points): Press the Esc (Escape) key.
To modify the points or line contours of the shape, click the shape to select it, then choose Format > Shapes and Lines > Make Editable (from the Format menu at the top of your screen).