You have solved my problems with PLA and now i can print ABS a lot better.
When i have changed-upgraded my extruder i wasn't able to cool it correctly.
Now i can.
i have closed the holes of leds, because i haven't them.
So i'm going to remove the support material!
Also if it creates a "cooler" visive effect ;)
and you haven't remove the support material on the right..
I'm happy !!
but I can't view the led light !!