SketchUp Plugin Tutorial | Hole Punch adds a new tool for glued/cutting component-instances that allows them to punch linked 3D holes through the faces of double-skinned walls/roofs etc. It is accessed through the right-click context-menu 'Hole Punching...' sub-menu, which offers various items depending on the current Selection. Download Link below. sketchucation.com/forums/viewtopic.php?f=323&t=30846