On 2010-07-13, Karl Townsend wrote:

"Jon Elson" wrote in message
...
Karl Townsend wrote:
This is where autocad is a great tool. Draw it and print full scale.
check paper against part.

laser printers have gotten a LOT better since the early ones, but they are
still very inaccurate. If you can get .050" accuracy over the whole sheet
of paper, I'd be amazed. I'd NEVER try to do precision work this way.
print a document twice, once with mirror printing on, and hold the two up
to a light to see how well they align.

Jon

You misunderstand me. this is not for tolerance, its for finding your gross
measuring errors. I agree, the printer isn't exact, but it will quickly spot
a measurement error.

I did some sanity checks in the spreadsheet.

i