9:24

Camelback Straight edge.

21:47

Measuring the flatness of a surface with a laser and a webcam to microns over large surfaces.

41:56

MOORE Pattern Scraping a Straight Edge

18:04

Making a Straight Edge (south bend part 2)

32:05

Hand Scraping Straight Edges -3 Plate Method-

48:15

Control of straight edge surface through high precision measurements.

14:39

Hints on making Straight Edges out of Steel

22:16

Build Your Own Mini Lathe: Create Big Impacts with Small Details!