Update README.md

README.md

@@ -69,9 +69,9 @@ The filter needs to be tested to evaluate its filtering capacity and porosity.
 
 We are working with the face mask design by [Wasp](https://www.3dwasp.com/en/3d-printed-mask-from-3d-scanning/)
 
-<img src="images/l3_1.jpg"  width="300" >
-<img src="images/l1_1.jpg"  width="300" >
-<img src="images/l1_3.jpg"  width="300" >
+<img src="images/l3_1.jpg"  width="250" >
+<img src="images/l1_1.jpg"  width="250" >
+<img src="images/l1_3.jpg"  width="250" >
 
 When everything is already manufactured, assemble the parts, and get a finished face mask with a replaceable wood pulp based filter.