Are 3 different profiles/sheet stored or just 1 and you pick which filament?
 
Notifications
Clear all

Are 3 different profiles/sheet stored or just 1 and you pick which filament?  

  RSS
Phil FX
(@phil-fx)
Eminent Member
Are 3 different profiles/sheet stored or just 1 and you pick which filament?

I got my second MK3S and I'm in the process of doing a more through calibration. I'm taking advantage of the sheet calibration built into the new firmware and I was curious.  Given that you can select PLA, ABS or PETG when you do the layer calibration does the firmware actually store 3 different values per sheet and then use that value depending upon the filament and selected sheet or does it only store 1 value and it is just giving you 3 different options of filament type with which to calibrate?

I did a search and did not find anything.

Posted : 09/05/2020 1:42 am
MartyS
(@martys)
Trusted Member
RE: Are 3 different profiles/sheet stored or just 1 and you pick which filament?

As far as I know there is only one value saved for each sheet.  What I have found is if you calibrate Z for PLA and then go to a hotter nozzle temp you'll need to use the live Z adjust on the first layer to raise the nozzle a little to adjust for the extra expansion of the bed and nozzle (or re-run the first layer calibration).

Also as far as I know there is no gcode for filament type, so if you print from SD without telling the printer to preheat the printer has no way of knowing what filament is being used.

It probably wouldn't be that hard to write a formula that would adjust the Z offset based on bed and nozzle temperature, but I don't think there is much room left to make the firmware larger.  The live Z adjust is an easy solution, you should be watching your first layer when you start a print anyway...

 

Posted : 09/05/2020 3:47 pm
Phil FX
(@phil-fx)
Eminent Member
Topic starter answered:
RE: Are 3 different profiles/sheet stored or just 1 and you pick which filament?

Thanks.  That is kind of what I was thinking.  I have enough sheets now that what I'm going to do is just designate Flat sheets A, B & C for PLA and Flat Sheets D, E for PETG and calibrate them that way.  I have them marked so it is easy to remember.  I pretty much only use two types of filament so it is easy to do.

Posted : 09/05/2020 3:55 pm
Share: