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Give enough detail so other can help you.
For example you might indicate some of these:
* What are you working on?
* What have you already read on the site?
* What is the problem?
* What steps led to an error?
* Consider posting your current file per How to post a CAD file.
* How far did you get?
* What is your experience level?
"Quite easy to use. Within only about 10 minutes I had it downloaded, installed, and had designed and priced a brass cog with 32 teeth, 1 inch in diameter and 1/4 inch thick. The quote was immediate."