if you have no desire to anchors, or a simple detachable connection would that still looks quite decent - then the device is good already. A similar Billy shelf eg glulam has thus built in about 30 minutes, with routine in FIG.15. The setting for the thickness of the wood is more a guideline, because you have to try around. The step drill with stop is surprisingly good. Stuck to the Jig with a screw or one-handed clamp fixed, is achieved better results.
Fast but some bad shortcoming are the screws. Before countersunk actually warns the manufacturer of the original jigs (the kregtool) and recommends the use of Panhat? Flathead screws - countersunk head bursts open as of the longitudinal to the grain holes tend. So just buy a few packets of correct screws then hold the constructions bombig.
