When a 3d printer uses an LCD to polymerize the photopolymer it is known as DLP (Digital Light Processing). When a 3d printer uses a laser to polymerize the photopolymer it is known as SLA (Stereolithography). Great video keep up the good work!
Nice review! With regard to your “fingerprint” issue, it’s a little bit hard to say what it could be without seeing how it was positioned when you printed it and such, but it could be caused by a number of different things, from curing time per layer, to anomalies with the actual layers being displayed on the screen. Does the printer have automatic anti-aliasing? I’ve been wondering for some time if that might cause some issues like that, due to the somewhat semi-transparent nature of anti-aliased pixels, I suspect they could cause surface oddities like that to appear. In theory they should help a little to keep the surface smooth, but if the image you’re using is being displayed on a high enough resolution screen, it shouldn’t really be needed either. Definitely something worth experimenting with though 🙂
You should look into getting some large silicone mat trays. Ones with a rim around the sides to keep spills within the mat. You should buy one for under the printer itself, and then a second one for the cleaning area where you clean the prints and vat. When you search for them, say in Amazon, search for a “dog cat silicone mat tray”. They have some dcent sized ones for a decent price. I purchased a pair for my resin printers and they work great. They will definitely keep any mess from getting all over the place and are easy to clean as well.
@Jack Evans The Elegoo Saturn has a lot of benefits to its use. Because of the 4k mono color screen that it uses, it can print at a higher level of definition than FDM, at roughly four times the speed of other resin printers, including the elegoo mars. And because of its larger build area, its easier to print larger figures that would have been required to be split up into smaller pieces on a tinier machine.
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