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John, that is what is called a "Resin Printer" ... it uses a liquid resin which is sensitive to UV. A UV beam is focused on it one layer at a time to progressively harden the resin into the desired shape. They make very nice detailed prints, but only really suitable for non-structural parts, figurines, toys etc. in most cases. Can also be used for creating casting cores for casting intricate parts.
https://en.wikipedia.org/wiki/Stereolithography I use what is called an "FDM" printer, Fused Deposition Modeling printer. https://en.wikipedia.org/wiki/Fused_...nt_fabrication The two processes are similar in concept, totally different in application. Resin printers are a bit of a mess to operate, liquids, smell, cleaning the parts, curing with UV light etc. My FDM printer (https://www.amazon.com/s?k=creality+...s_ts-doa-p_1_7) sits right behind me while I sit at my computer desk and I let it print, reach back and pull off the part when it's done. If you want to get started in the hobby, I've had great luck with the one I bought. Week or so learning curve, they can be much like tuning an engine as far as tweaking settings, but well within the capabilities of anyone with mechanical skills. Most people have more problems with the software to generate their own designs than they do with the printers themselves. The defacto standard program for designing your own parts is Fusion360 by Autodesk, free for non-commercial use and VERY capable CAD software usable for far more than just 3d printing files. Fusion360 is also widely used by the CNC world as it can generated g-code for many, many CNC tools. I use Autodesk Inventor, the big brother of Fusion360, which is a full featured CAD program used by many manufacturers, which has an equally large learning curve. A 3d printer is basically a machine tool, it uses g-code just like any CNC machine, it just ADDS material rather than SUBTRACTING it ... which is why it's called "Additive Manufacturing". Feel free to bombard me with any question you have concerning 3d printing.
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