As a former chemist and all-around maker, I love this and this bugs me all at once. I love the concept, but as others have pointed out, this is less a "periodic table" and more "grab bag of related things". You see these all over the place: foods, drinks, cars, etc. All table, no periodicity. Why are wrenches and drills strewn across three groups? Put the wrenches in one group, drills in the other. Impact drivers som…
You complain that wrenches and drills are spread over several columns? Look at a periodic table please! The diagonal line splitting wrenches from drills is precisely the diagonal line splitting ordinary metals from non-metals. That’s one of the bits I’m most proud of! You have no idea how long I agonized over how to make this arrangement not be arbitrary, while at the same time dealing with some of the realities of h…
No doubt some of the issues you describe become apparent when you actually attempt the task, yet it's easy to propose a reasonable alternative.
Anyway, I love that we both have a rebuttal to the original as well as a firm defense from the OP.