Modified x-carriage and Nozzle-mounting

Our machine shakes off belt and bearings on the x-carriage when printing on normal speeds...

So i added a 3mm bolt hole to these two parts:
x-carriage and nozzle-mounting

Now i can bolt-clamp the linear bearings and the x-belt.

i want to add a cooling-fan-holder to the parts later... or maybe i design airchannels to reuse the air from the active-cold-end directing it to the print surface