Hello!!,
I really hope that i don't mistake forum area.....=/

i'm trying to make my first printing and (after various test) i still not have idea why my PLA seems to don't attach to the bed.
i just put a couple of pictures to explain better.
do you have some ideas??
Thank You very much....
Ciao

2 things to check here:
1) Check the spacing/ clearance of the hotend to the bed. It should be the height of a thin piece of paper.
2) Did you clean the bed/glass? A good wash with soap and/or window cleaner should do the trick. Do NOT touch with hand. Oil is not your friend here.

SOME ADDITONAL HELP:
1) Hair spray does wonders for PLA
2) ABS juice/ glue stick(purple) does wonders for ABS
3) Some say printing on Kypton tape/ Blue painters tape works (never tried these since the above 2 works for me)

Good luck!!

Also for ABS try tres-semme mousse, works wonders.

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DIY Tech Shop

Looks like you didnt set your Z height correct. You are printing your first layer way too high.
When you home your Z you should just be able to slip a sheet of normal paper under the tip with a light drag when you pull the paper. The paper should be .1mm thick.