That's a tough row to hoe --- classic example of that is a pencil (see Thoreau and his family's history/business), though interestingly, there is a specialized

That's a tough row to hoe --- classic example of that is a pencil (see Thoreau and his family's history/business), though interestingly, there is a specialized tool now for making one (from components): John Economaki's "Pencil Precision" from Bridge City Tool Works: https://bridgecitytools.com/products/pp-1-pencil-precision https://bridgecitytools.com/products/pp-1-pencil-precision I have the preceding "Chopstick Master v2" and it is a delight to use (and probably if there was a suitable set of instructions for collecting the materials for making a pencil lead and baking them, I'd probably have the successor).