The Ultimate Bed-Leveler

So, I was looking through for a good bed leveler. I kept finding bed levelers to hold the Pittsburgh (cen-tech) "1 In. Travel Machinist's Dial Indicator" (item #623) or "AE/Metric Digital Indicator" (item #93295).

All of these were different widths for different printers, not to mention, they just sit on top of the bar, which seems to me that would be too easy to mess up the measurement.

So, I set out to make something easier. Of course, nothing is going to be 'real accurate' with the fl