Checking squareness on the cheap
7:52
transform a surface gauge into a squareness comparator
10:31
How to use a Cylinder Square that is not square?
16:49
Cosine Error Demonstrated and Challenged !
26:24
Workshop Tips #11 - Measuring Squareness in a Home Shop on a budget
28:22
How to make a tool to check squareness
8:44
Measuring flatness, parallelism and perpendicularity on a surface plate.
4:47
How to check for square, simple and effective carpentry tip
33:12