diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -16,4 +16,8 @@ I took out a bunch of stuff I don't need, and simplified what was left. I used t
 
 Create a `/Bed` folder insude your `/macros` folder and fill it with the files in this `macros/Bed`. Edit them to make sure the bed levelling happens where you want it to - these defaults place the nozzle above the bed screws on a Creality CR10S.
 
-Upload the rest of the files to your /menu folder. Beware, any existing files with the same name will be overwritten, so you might want to back them up first.
\ No newline at end of file
+Upload the rest of the files to your /menu folder. Beware, any existing files with the same name will be overwritten, so you might want to back them up first.
+
+## Tools
+
+I used my [RRF image generator](https://github.com/jameswood/RepRapFirmware-Image-Tools) to create the images I've added or changed.