Chapel Perilous has taken its toll on me and indeed, my cosmic trigger finger is broken. For readers not familiar with Chapel Perilous I will give Robert Anton Wilson's definition of that god forsaken place. In researching occult conspiracies, one eventually faces a crossroad of mythic proportions (called Chapel Perilous in the trade).
Keep wood chisels razor sharp for building cabinet doors. A good set of chisels helps clean up and fine tune mortises and tenons or remove a bit of wood anywhere you need to, such as the ends of panel grooves in door frames. A chisel set and mallet are essential woodworking tools.
Determine where to place the knob on the cabinet doors. Place the knob near the bottom of the door for overhead cabinets. Install the knobs close to the top of the door for lower cabinets. Attach the knob near the center of the door for eye level cabinets. Measure the length of the cabinet with a tape measure. To install a knob in the middle of the cabinet, divide the length by two.