OpenBridge Modeler – Help ProStructures Steel ModelingSteel ConnectionsBase Plates Standard Baseplate Standard Baseplate - Punch Holes tab Standard Baseplate - Punch Holes tab Used to add punch holes to the baseplate to mark the projected location of the connected column. Setting Description Punch holes projected from None ? No punch holes are added. Web ? Punch holes are added on the baseplate where the column web projects, at either side of the mid-depth of the web. Shape Vertices - Punch holes are added on the baseplate at the projected corners of the column.