Susan Straley is the president of http://www.rentapen.com/)">Rentapen Inc, a Wisconsin-based machine design and tooling firm that specializes in laser cutting, shims, and tooling fixtures. She is also a heckuva welder. She even has a blog dedicated to spreading the word on proper welding and how to design weld fixtures. She started her blog when she found out that 40% of the engineering workforce would be retiring in less than 10 years and she wanted to collect and share knowledge and experience regarding machine tooling and welding.
Straley usually tackles a subject in each entry, topics such as Using metal adjustment shims in weld fixture design, Seven tips for lean and efficient weld fixture design, and Three ways to detail a V-block jig. And entries are often accompanies by videos.