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First Layer Calibration issues  

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matthew meeple
(@matthew-meeple)
New Member
First Layer Calibration issues

Hey there,

I've tried calibrating the z height from 0.0, down to -0.030, with similar results each time;

How can I make this better?

Posted : 24/06/2021 6:46 pm
BogdanH
(@bogdanh)
Reputable Member
RE: First Layer Calibration issues

Z-offset range goes from 0 all the way down to -2.000. So you should try to decrease Z offset more. Depending on how high your PINDA sensor is mounted, you can expect good first layer somewhere between -0.500 and -1.500.

Mini+ with Bondtech upgrade & modified firmware...
Posted : 24/06/2021 6:52 pm
bobstro
(@bobstro)
Illustrious Member
RE: First Layer Calibration issues
Posted by: @matthew-meeple

I've tried calibrating the z height from 0.0, down to -0.030, with similar results each time; How can I make this better?

If you have not already done so, try using Jeff Jordan's "Life Adjust" procedure for calibrating your Live-Z setting. It is much easier to use and understand than the onboard routine and much easier to make mid-print adjustments accurately with. In general, start high (less negative) and work lower (more negative) in large increments (e.g. 0.1mm) until the filament starts to stick on its own. When you've got your Live-Z setting adjusted properly, you should be able to gently rub the extruded lines on the PEI surface without dislodging them.  Then start lowering (more negative) the level until there are no gaps between layers. You should not be able to peel the lines apart after printing, but the top should be regular. 
My notes and disclaimers on 3D printing and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan...
Posted : 24/06/2021 7:06 pm
matthew meeple
(@matthew-meeple)
New Member
Topic starter answered:
RE: First Layer Calibration issues

@bogdanh

Thanks!

I tried your suggestion and indeed I had to set the z height much lower.  -1.25 was the ticket to a good print.

Posted : 24/06/2021 7:13 pm
matthew meeple
(@matthew-meeple)
New Member
Topic starter answered:
RE: First Layer Calibration issues

Make that -1.5

Posted : 24/06/2021 7:31 pm
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