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This was in '97, I needed a small drill press and couldn't see paying $800.00 or so for one like this - so I spent about $3000.00 in time and materials to build this one. They are iron castings except for the cover parts but they all could have been 356 aluminum just as well - but I like iron...

These are images from Keycreator and the NC toolpathes... This was machined out of 7075 aluminum...

Very good to find this forum of like minded folks! I've been building miniature engines for many years. I have completed a few too! As my engine desires become more complex, I undertake another pursuit toward those ends such as a foundry, much better machinery (lathes, mills, grinders etc.) and...