Get Sla 3D Printer How It Works US. How much do you really know about how 3d printing works? As mentioned above, sla printers work by curing resin through the use of a laser.
They print layer by layer as well, but instead of extruding material, they zap a tank full of sla negatives.
Fdm vs sla 3d printer: They print layer by layer as well, but instead of extruding material, they zap a tank full of sla negatives. Its a top down printer which prints by curing resin with a laser beam. Photocuring (sla/dlp/lcd) 3d printing is one of the most popular 3d printing technologies which can create prototypes with very high quality, fine features layer thickness not only affects the speed (printing time), but aslo the quality of each print.