I have an stl to move that damn parts cooling fan to the right side of the carriage. The fan in front pissed me off to no end. Can't see the print while it's printing. Also, How did you do this??? * reinforcing upper part of the frame with aluminum profile. I've been planning on just replacing the entire frame but haven't come up with a great way of doing that yet.
what program do you use to transform the .stl files so that the printer works

Interesting video. Would be great if you could state which modification(s) you have made, and if it's a printed piece the link to it.
I added the info. See the text below the video.
I have an stl to move that damn parts cooling fan to the right side of the carriage. The fan in front pissed me off to no end. Can't see the print while it's printing. Also, How did you do this??? * reinforcing upper part of the frame with aluminum profile. I've been planning on just replacing the entire frame but haven't come up with a great way of doing that yet.
You can find some details in the photos here:
photos.app.goo.gl/FUxrNpC2xSJxgDbs1
this firmware correct the "scale" problem? mine prints in a small size (+ - 98% of total size of the object)
You need calibrate the stepper motors:
all3dp.com/2/how-to-calibrate-a-3d-printer-simply-explained/
thank's for reply, i will take a look
Useless.