My Prusa i3 first print, Your critique is welcome

Hi all,
after 10 days waiting my printer and another 3 days assembling it, finally I got my first full print out (Attached), the reason I said full print because there were few failed attempts before I calibrate my printer, the attached photos for the hollow cube 25mm, the X,Y & Z are calibrated and the cube size is accurate, The walls are 4mm width (not in all part as you can see in the photo).
I't looks clear that my extrusion having an issue, which I will work on that once I have time.

Please take a look to the printed cube and tell me what you see and what you advise, Thank.

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Yasser Kassem
Prusa i3 8"

Hi looks OK that mate, the whole idea of opensource is to learn yourself, to make you think for yourself, now learn and flourish?

Did you watch and observe the printer while it was printing the part where it looks wrong? And could you see what your printer was doing wrong?

tweeking and more calibration is going on, the result getting better after changing the printing settings, I will update more photos when available, guys thanks for your comments.

I looks like you have a bit od z axis wobble, but looking good for first attempts, I wouldn't go changing too much, just make small corrections in your slicer prog and see what results you get.