diff --git a/week2/Readme.md b/week2/Readme.md
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@@ -21,4 +21,8 @@ Overlap two fills. Learn to create a boolean difference between them. Use select
 
 Learn the difference between grayscale images and dithered images. Learn when is the best time to use each.
 
-Dithered images are technically black-and-white images that "fake" grayscale via the patterns they employ. These are good on all materials, including those that have a very narrow flashpoint, such as acrylic. (Grayscale does NOT react well on acrylic)
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+Dithered images are technically black-and-white images that "fake" grayscale via the patterns they employ. These are good on all materials, including those that have a very narrow flashpoint, such as acrylic. (Grayscale does NOT react well on acrylic)
+
+Resources:
+
+STL2PNG Website https://fenrus75.github.io/FenrusCNCtools/javascript/stl2png.html
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