![]() ![]() The build plate then lowers, and the lasers repeat their sweep, building layer after layer, one after the other as the object is built. ![]() The build plate starts near the top of the resin, and the lasers sweep across, solidifying the resin in the appropriate areas. The resin solidifies when exposed to a specific wavelength of light, usually in the UV spectrum, and the printer has a laser or lasers tuned to that specific wavelength. Liquid resin is contained in the body of the printer, with a build plate that moves up and down inside the resin. SLA involves a light-sensitive resin and lasers. I’m aware of a couple of libraries that have already purchased stereolithography printers. ![]() We are starting to see stereolithography (SLA) printing move downmarket into the affordable-for-libraries zone. In this post, we’ll look at alternatives. Editor's Note: This is the fourth of a series of posts excerpted from Jason Griffey's Library Technology Report " 3D Printers for Libraries."Īs noted in earlier posts in the series, FDM (fused depostion modeling) printing is by far the most common inexpensive method of 3D printing.
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