Update file week03.md

docs/assignments/week03.md

@@ -105,5 +105,7 @@ Some challenges I encountered along the way was trying to create organic forms t
 *Settings to cut the paper worms:*  Speed 200, Power 10 (used teh Glowforge 20lb copy paper pre-programmed settings)    
 *Settings to cut 100% polyester felt worms:*  Speed 300, Power 40, Material thickness 1mm
 
+Important Note! When cutting felt you MUST vacuum out all the fuzz! Otherwise it will destroy the fan! 
+
 **Fabrication Files**      
 [Uploaded to Open Source Circular Fashion, "Worm Partial Tessellation"](https://oscircularfashion.com/project/-NgV4gY6BIr7fYkwtlJU)