This is a useful feature if the shape you are trying to create does not exist within the templates. It is also useful when attempting to dimension fillets at corners which are not filletable by default in the templates.
Example: Create a Points Shape
1) Expand the ‘Custom’ menu on the left, and click the ‘Add Points Shape’ button. An ambiguous, general looking shape will be drawn by default. Note the dashed line which draws the path of the points with no fillets.
2) Change the values as below. Each row represent a point of the shape. Click the ‘Submit’ button to make the edits to the Points Shape. Note the new shape on the design area.