A few days ago I posted a story about Harlan’s homemade optical punch. I forgot that I also had a link to John Moran’s web site, where he describes with a little more detail how he made one.
Plans, projects and How-to's for Home Machinists and Other Makers
A few days ago I posted a story about Harlan’s homemade optical punch. I forgot that I also had a link to John Moran’s web site, where he describes with a little more detail how he made one.