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When playing around with these settings it seems that all they do is change the Speed of the print head movement. dosnt adjust the amount extruded.

Maybe they are not able to be set on makerbot?

fair enough,

Looking at the normal setting under extrusion speeds its called "print speed" BUT if you open the text editor like you say its called "feedrate" and all the values are the same.
...

how can i tell the printer to extrude 100mm say to see if its calibrated or not?

o its a ctc dual extruder model

Ok so ive seen a few vids on you tube about setting up Extrusion Speeds for better results but im struggling to find how todo this on makerbot software or Repg

Basically i wanted to measure 100mm...

Your right! didnt think to try and export was just messing with settings.

dose that mean we are stuck with makerbot software?

Dose anyone use Cura on there CTC?

i know everyone is different but would like to know peoples setting, such as speeds, retraction, quality etc.

cheers

What settings did you use mate? looks like it will take a LONG time to print

Hey mate, did you notice a difference with the bed stiffeners installed. looking at these myself, are they worth printing?

cheers

Lol thanks for your help,

No no lol, the Y axis i belive. the two highest rods.

So after taking the extrudes apart ive found the problem.

I was thinking the PLA was not sticking to the bed due to it not being level etc...

Yeah I've used a rule and seems flat enough. Certainly not enough to cause the problem I'm having.

Something is moving as it stops extruding half way through a print probably due to a blockage. ...

OK update,

Glass plate installed, bed prepared and filament sticking well enough.

However seems like there is a hump smack bang in the center of the build plate. if i level on all four corners...

I'm sure it's the bed, in the center seems to be a dip of about 1mm.

This wasn't here before as prints have been fine.

Can't even get a raft to print now. Totally useless.

yeah i have adjusted these screws many many times im afraid and alwys the same result.

what i dont understand is ho wi was getting good prints then now this warping problem? do this just happen...

Hey guys new to the 3d printing stuff but had some very good results out the box with my ctc.

unfortunately after my last print everything has gone wrong and cant get it back again.

I have...