Duplicator 5 improvements and fixes

[MK3424]

I first start with a suggesting of the rods used for the different axis: tell which length the rods are.. i had to disassembly the x carriage because i used the wrong length of the rods.

Could you then please refer them to with the length... like the middle length rods, longest rods and shortest rods.

Second: there is an error in the assembly manual: on page 33 there is a photo of the motor on the x carriage that is mirrored.

Third: the fans used on the extruder carriage are not wide enough to hit the endstop.. i had to stick something on it to make them hit the endstop.. i would suggest using fans with a fully square enclosed fan.

Fourth: improve clearennce between the extruder carriage and the enclose so that it can fit underneath it... i assembled mine according to the manual but it didn't fit underneath it, so i adjust the placement of the wiring and it still won't fit underneath it.
I have recorded a small video of this issue:https://www.dropbox.com/s/b74g4d3q9ttj3 ... D.mp4?dl=0

[William]

Well,I will check it tomorrow.