Geeetech

I cannot seem to sort out my MeCreator. When i print anything that has more than one layer I get a very uneven finish. I have tried many different settetings but cannot seem to get this working.
Is this what i can except or is there anybody that can give me an idea what to try next.

How about tighten your Z zxis coupling, seems to be the screw thread.

Sorry about my ignorance, but how do I do that? The stepper that controls the Z axis is coupled to the screw shift. To I need to tighten the coupler to the stepper and the shaft?

Excuse my ignorance, but what does tightening the Z axis entail ? Do just tighten up all the bolts that is on the Z Axis ?
I looked at the coupling and notice a slight wobble. For now I will attempt to reduce to wobble.

Looking closely when printing a circle I see that there is one spot that always have a slight imperfection. like either the x or y axis is not running smooth.

Yes , indeed I reassambled the rods of my printer, and it's getting better.

I just cannot seem to get rid of the layering printing. I have found lots of information on it and tried many ideas. One stated that the top of the z axis should have a bit of play where it goes into the bearing. This will allow the imperfection of the screw drive to taken up. I found that the grub screws holding the rod to the bearing was indeed not fastened. Fastening them or not makes not difference.

I have tried to set the extruder multiplier. 0.9 seems to make the effect less, but the rest of the model (solid fill) suffers too.

Im wonder after reading lots that it could have to do with the layer height set in Slic3r ?

Any ideas or advice more ?

Wow, I think the dragon is so cool! Could you send the stl files to me
1012768015@qq.com

lol. Okay will send you the stl tomorrow. Would be fantastic if you can print it and post your print. I printed it very scaled.

Yes, I'll try it the time I get the files from you.