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Newbie - Weird issue Matrix Validation
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Hi all, I'm new to resin printing and need some advice.

Printer: Saturn 3
Resin: Siraya Tech Fast Grey
Temperature: 20 - 21 ยชC
Slicer: Lychee and Voxel Tango - Same result

I have been playing with Matrix Validation model before starting to print other stuff.
My goal is to print minis and small size models so I'm trying to get as much detail as possible.

Settings are for Pictures A - 0.02 mm Layer Height
Prictures B - first print at 0.05 mm Layer Height - looks a bit over exposed but no issue with borders or small bottom lines but huge hole in the infitinity symbol

As I lower exposure time on pictures A the issue seems to get worse on the red areas however the print does not look under exposed in my newbie opinion because I don't see any shiny (uncured) spots and this is best balance between pins and holes that I could get.
- What can I change to improve the issues with red areas? Some prints I also got holes on the infinity symbol as seen in pictures B.
- Could the yellow ares be for low temperature? meaning a lower viscosity with higher temperature might help?
- Is 0.02 mm too low for this printer?

https://preview.redd.it/avx0lh2nxbfc1.jpg?width=1235&format=pjpg&auto=webp&s=4e4750a1cef78447747f031732ba617609d44f80

https://preview.redd.it/vewr3o2nxbfc1.jpg?width=3000&format=pjpg&auto=webp&s=5c336c0a85068d3b5c4dc04895e381502efc61f3

https://preview.redd.it/tdoodq2nxbfc1.jpg?width=3000&format=pjpg&auto=webp&s=dc7842660b7f64a5aeb4714ccd7c4c346e7b51ac

https://preview.redd.it/h0gb3r2nxbfc1.jpg?width=3000&format=pjpg&auto=webp&s=74e506363fa1f6ad66a1d6eef632282177e8d7c1

https://preview.redd.it/sp75hm2nxbfc1.jpg?width=3000&format=pjpg&auto=webp&s=f23d3b2ebb59c65d213a2c0bd30bb677919291e1

https://preview.redd.it/wbygct2nxbfc1.jpg?width=3000&format=pjpg&auto=webp&s=1cd53c22a73154d62fc317365d3b0513655948f3

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Posted
9 months ago