Here is my sled…
the idea was that the 3 channels was there for not making a vacume,but did not work,had to open the air intake around the router a bit more…(1500w vacume)
!
Z axis parts.
Bore diameter 6mm (motor)
Bore diameter 8mm(c-beam)
T-nut for mounting the motor bracket on the c beam.
Working realy good… adjusting the c-beam bearigs and its rock solid…