![]() Rapid design and prototype, virtually no waste, and, in general, unattended overnight printing (while I slept of course) convinced me to give one a try. Even though I could switch to acrylic or some other rigid plastic for my parts in order to save money, I just couldn’t figure out a manner in which to save time. Furthermore, after a year or so of watching waste aluminum shavings hit the floor, it began to appear to me that what I was actually watching was hard earned money hit the floor. Having both a CNC mill and lathe did indeed allow me to create most of the parts I needed for my designs, however as I soon discovered, even though I was retired the time required to machine the individual parts for my designs was far more time than I had available. Upon my retirement, I purchased a CNC mill and lathe package and began the process of learning how to design, machine, assemble and test the mechanical designs I had always wanted to create but had never found the time to do so. Having spent most of my career in electronic, computer and software design for the aviation (flight and flight training) and entertainment (video game) industries, I had virtually zero experience in mechanical design. You may have seen some of my mechanical 3D printed models in videos, on blogs, at trade shows, or on social media as over the past four years I have designed, printed, tested and published over 100 3D printed models in order to learn about 3D printing, encourage and inspire others to learn how to design and print 3D models of their own, and hopefully to generate smiles. That’s me in the photo above with my wonderful wife Lora (and yes, I’m on the right in the photo). My name is Greg Zumwalt, aka “gzumwalt” on MyMiniFactory, Instructables, YouMagine and YouTube. ![]() ![]() You can read more articles in this series here, get in contact if you would like to give us your own perspective. This is an article in our series looking at how 3D printing is used around the world and at ways to get involved with 3D printing.
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