Richard wrote:
I would like to make a simple marking
gauge, but I think I may be missing something. They seem very simple to
make, but when I search online I'm finding some fairly expensive prices
for such a simple tool.

Not sure what you consider fairly expensive, but LV has a solid brass
gauge for $16.50, or a simple beech one for $12.50.

http://www.leevalley.com/wood/page.a...40&cat=1,42936
http://www.leevalley.com/wood/page.a...23&cat=1,42936

Chris