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Peeling base?


Davebug
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Posted · Peeling base?

Hello!

 

I am a primary school teacher using an ultimaker 2+. I have had this problem with a few student projects, seems to be projects with a large base area.

 

Just wondering if anyone can identify what the problem is and any tips to fix it!

 

Thanks!

DaveIMG_20191106_155513.thumb.jpg.9b530f5e071736fa209efdf042df58c1.jpg

IMG_20191106_155505.jpg

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    Posted · Peeling base?
    5 hours ago, Framar said:

    DAvebug, what material is this ?

     

    Framer it is the ultimaker PLA.

     

    7 hours ago, DidierKlein said:

    Hi,

     

    It looks like a Raft, you can (and should) disable it in the adhesion section on Cura

     

    The raft seemed to print perfectly but then when it started completing the actual print it did this.

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    Posted · Peeling base?

    If the bottom is flat, then as Didier Klein said, I would also print this on the bare glass. Without raft. This gives you a smoother bottom-surface too.

     

    For better bonding to the glass, I use my "salt method" (see this page, and then scroll down a bit):

    https://www.uantwerpen.be/nl/personeel/geert-keteleer/manuals/

     

    Other people use dilluted wood glue, hair spray, glue stick, glue stick + wiping with water, 3DLAC, etc. So, plenty of bonding methods that should not cause this sort of issues. I would suggest you try them and find one that suits your models, and that you like.

     

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