diff --git a/README.md b/README.md
index 9117dc2..7fd1dd1 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ https://github.com/LK8000/LK8000/blob/master/Docs/LK8EX1.txt
 - PLA box 3D printing
 <a href="https://cad.onshape.com/documents/8ec970df0f91cd7f4dafb0b8/w/81f5e80ab2d84901aa8e29be/e/2df0103f0eb100d6330b3609" target="_blank">Onshape</a>
   
-![alt text](img/xctrack512.jpg)
+<img src="img/xctrack.jpg" width="512px"/>
 
 ## Step by step
 
@@ -94,4 +94,4 @@ Assuming you are using a nano, you may have an older bootloader version.
 
 Change the processor to "ATmega328P (Old Bootloader)" 
 
-![img.png](img/old-bootloader.png)
\ No newline at end of file
+![img.png](img/old-bootloader.png)
diff --git a/dev/font_3Dprint/dessin.svg b/dev/font_3Dprint/logo.svg
similarity index 100%
rename from dev/font_3Dprint/dessin.svg
rename to dev/font_3Dprint/logo.svg
diff --git a/dev/fritzing/vario_MS5611_pro.fzz b/dev/fritzing/vario_MS5611_pro.fzz
deleted file mode 100644
index 868bf27..0000000
Binary files a/dev/fritzing/vario_MS5611_pro.fzz and /dev/null differ
diff --git a/img/xctrack512.jpg b/img/xctrack512.jpg
deleted file mode 100644
index abbc503..0000000
Binary files a/img/xctrack512.jpg and /dev/null differ