From the course: Additive Manufacturing: Materials for 3D Printing

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Surface quality and feature size requirements

Surface quality and feature size requirements - Microsoft Teams Tutorial

From the course: Additive Manufacturing: Materials for 3D Printing

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Surface quality and feature size requirements

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- [Woman] Once you've decided what you want to print you need to think about how strong it'll be, as we described in the movie about mechanical properties in this chapter. However, you might also have requirements about how smooth the print needs to be. You might want to have a smooth surface without layer lines for aesthetic reasons but some medical applications also need to have a surface smooth enough so bacteria can't hide in the spaces between layers. If you need a very smooth print, you can trade off cost of your printer versus post-processing time. If you can get away with printing POA filament you can always use sandpaper to smooth it. Though you may lose some fine features and you won't be able to sand inside very small spaces. POA can be smoothed to a high gloss by sanding or by painting it with a filler that hides layer lines. Resin print will naturally have a very fine finish but you will likely be marred by support…

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