the blades were continually blocked by the grass collected during work, after looking at one Husqvarna robot I've seen that they have an aluminium cover that minimize the problem.
I've tried this cover as a first try and it works well, I don't know how long it will last, printing a new one takes a couple of hour and one minute to replace it.
Worx_Landroid_blade_protection.stl | 3.5MB | |
Worx_Landroid_blade_protection.stp | 50.5KB |