How to use Validation Matrix (Tyler Schubert)
[https://youtu.be/GL-9Ia0SibQ](https://youtu.be/GL-9Ia0SibQ)

The Validation Matrix must be printed with 4 or less base exposures for a correct test result.

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The Photonsters Validation has a couple of features to make it easy to find if the exposure is balanced.

Pins/Holes should be the same number
Teardrops in the central square should barely touch at the intersection point
The central square should mesure 20mm with 1mm edge

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Editors Note: All credit goes to the original authors of the file, and I am not claiming that I have had any input on the design, testing, or was involved with the upload of this file in its original source.

This file was designed originally by Photonsters, and was uploaded by X3msnake. You can find the thingiverse file here.

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Images credits go to the following sites/people:

[https://www.fabbaloo.com/news/hands-on-with-the-halot-one-3d-printer-part-2](https://www.fabbaloo.com/news/hands-on-with-the-halot-one-3d-printer-part-2)

[https://3dprinterly.com/how-to-calibrate-resin-3d-prints-testing-for-resin-exposure/](https://3dprinterly.com/how-to-calibrate-resin-3d-prints-testing-for-resin-exposure/)

[https://core-electronics.com.au/guides/perfect-resin-print-exposure-setting/](https://core-electronics.com.au/guides/perfect-resin-print-exposure-setting/)