The Block Boundary dialog creates a boundary at the extents of the block.
Click Boundary tab > Create panel > Block to display the Block Boundary dialog.
This dialog contains the following:
Clone Boundary — Click to make a copy of the selected boundary. The new boundary is created with the suffix '_1'.
Lock — Click to lock the boundary so that its parameters cannot be changed. When a boundary is locked, the button changes to
and all the parameter fields become 'read-only'. Click the button again to unlock the boundary. This is useful for protecting complex boundaries that may have taken some time to calculate.
—This icon indicates the type of boundary you are creating; in this case a block boundary.
to open the Block dialog so you can edit the block.
Information — Hover over this button to display private boundary information.For example, hovering over
on a boundary that is not used by a toolpath, stock model or boundary displays:

View boundary edits — Click to display the Boundary Editing History dialog, which enables you to see all edits you have made to the boundary.