When you load a toolpath template, the toolpath settings within the file are immediately applied to the vector artwork or vector layer originally selected in the toolpaths used as the basis for the template.
If this vector artwork or vector layer has been deleted, or you want to use the template with a different model, you must select the vector artwork or vector layer to which you want to assign the toolpath template before editing or calculating the toolpath.
To load a toolpath template file (.tpl):
button to display the
Load Toolpath Template dialog.
Toolpaths item in the Project Tree.
You can now edit or calculate the toolpaths that have been loaded.