Z axle cover Ultimaker

Z axle cover ultimaker made it by myself to my Ultimaker 2 aluminium frame. I have not test it on original aluminium plate. I built my own aluminium plate to support a heat bed and designed this cover to Z axle.

Stl files

Without any text.
Version 1 - With "Ultimaker 2" text
Version 2 - With "Ultimaker 2" text throught cover

I accept some advice to improvement it.