diff --git a/Hardware/3D-Printed/chroma74_debug_jig.STL b/Hardware/3D-Printed/chroma74_debug_jig.STL
new file mode 100644
index 00000000..cfdc01f7
Binary files /dev/null and b/Hardware/3D-Printed/chroma74_debug_jig.STL differ
diff --git a/Hardware/3D-Printed/readme.md b/Hardware/3D-Printed/readme.md
index de271911..f6b80200 100644
--- a/Hardware/3D-Printed/readme.md
+++ b/Hardware/3D-Printed/readme.md
@@ -10,12 +10,29 @@ There are holder and stands for every tag. 1.54", 2.9" and 4.2".
 
 
 
-** 4.2 mini stand v2 by Nic.stl
-![image](4.2_mini_stand_v2.jpeg)
+**4.2 mini stand v2 by Nic.stl**
 4.2" mini stand by Nic. Note that these are designed with tight tolerances, to be printed on a resin printer. If you print it using your desktop 3D-printer, it might not fit.
 
-** 4x 1.54" By Pål Hamre
+![image](4.2_mini_stand_v2.jpeg)
+
+
+**4x 1.54" By Pål Hamre**
 File: 4x154_holder_by_Pal_Hamre.stl
+
 ![image](4_154_Image_1.jpg)
+
 ![image](4_154_Image_2.jpg)
+
 ![image](4_154_Image_3.jpg)
+
+**Chroma74 Debug JIG**
+
+File: chroma74_debug_jig.STL (fix the pogo pins with a little bit of superglue)
+
+![image](https://github.com/jjwbruijn/OpenEPaperLink/assets/3323812/ef7440f0-40ee-4c0a-a836-0d9541d15922)
+
+![IMG_20240505_183120](https://github.com/jjwbruijn/OpenEPaperLink/assets/3323812/011ad966-8451-467c-8414-8e56c88aa121)
+
+![IMG_20240505_183051](https://github.com/jjwbruijn/OpenEPaperLink/assets/3323812/ad00f712-82e8-4d05-87c2-a5bd54a60eb9)
+
+![IMG_20240505_204601](https://github.com/jjwbruijn/OpenEPaperLink/assets/3323812/2d31e730-5b10-458a-941c-198eab711e1d)