![]() ![]() The entire part can be correctly faced, but some tiny aspect reversed and the part will fail. When an SU drawing is converted to a Stereo Lithography file format (SLT), anything that is is not solid will not print and any reversed face will be invisible to the file converter, and subsequently to the slicing software that produces the printer’s instruction file. You also don’t need to be concerned if a face is right-sided or reversed. To do so, you don’t need to know if something is a “solid” by 3D printing’s definition. You can make a very pretty and highly detailed drawing in SketchUp that is entirely unprintable. Most of the drawings I’ve found in the warehouse are incapable of being used for 3D printing as they are when downloaded. I found beautifully drawn objects that looked perfect. I am a model railroader and wanted to “grow” some 1:48 scaled machine tools for one of my buildings. I also went full hog and got an ultrasonic cleaner and built a timer-controlled UV curing box with turntable. With the price of SLA UV LCD Resin printing dropping like a rock, I plunged in with both feet and bought an Elegy Mars printer for well under $400 USD.
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