Update Desktop3DPrinter.md

docs/machines/Desktop3DPrinter.md

@@ -10,7 +10,7 @@ Various repositories such as Youtube, Github, Instructables, GrabCad, Thingivers
 
 1. The [Prusa i3MK3](https://www.prusa3d.com/) is one of the most popular open source 3D printers which consistently ranks among the [best printers](https://all3dp.com/1/best-3d-printer-reviews-top-3d-printers-home-3-d-printer-3d/) money can buy. The printer currently costs about 800 Euros which is slightly on the pricey end.
 
-<img src= "https://i.all3dp.com/cdn-cgi/image/fit=cover,w=1000,gravity=0.5x0.5,format=auto/wp-content/uploads/2019/03/15155153/prusa6.jpg" alt="prusa i3" width="500" height="500">
+<img src= "https://i.all3dp.com/cdn-cgi/image/fit=cover,w=1000,gravity=0.5x0.5,format=auto/wp-content/uploads/2019/03/15155153/prusa6.jpg" alt="prusa i3" width="500" height="400">
 
 
 <img src= "https://orballoprinting.com/827-thickbox_default/prusa-bear-full-upgrade-mk3.jpg" alt="bear upgrade" width="500" height="500">