I recently started to get this small hole in my prints. This is after about a liter is grey resin. Does anyone know what might be causing it?
There was an earlier thread that suggested the presence of dirt in the bottom of the tank that was blocking the laser. Does the hole match up with vertical in the printing orientation?
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Oftentimes, dust on the optical window or significant tank clouding can obscure the laser in a specific location like you’re seeing. Checking to make sure the optical window is free of dust is a great first troubleshooting step. We use small blowers like these to remove any dust from the optical window.
Check the resin tank to make sure there isn’t a hunk of resin stuck to the PDMS at this location…
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