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PETG print help  

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pomah86
(@pomah86)
Active Member
PETG print help

Hi, I'm doing some prints with a PETG called "PETG Pro Matte" from addnorth, I have just started and I'm seeing some issues on one of the parts, see images below, what would you suggest to do to improve the results? It all looks fine until you get to the leaning part, where there is some issues, is it just a heat tower or anything else that will improve the results?

pic1

pic2

Best Answer by Diem:

Is this your design?

If so, or if you have access to the design files:

You are bringing a shape to a knife-edge where two, or possibly only one extrusion is available to support the next, narrow layer.  Already a bit of a balancing act; and then you overlap into mid air.

This is just a more or less unprintable shape, sorry.  Replace with either a rounded edge or a chamfer and the part should be OK.

Cheerio,

Respondido : 31/10/2022 1:08 pm
Diem
 Diem
(@diem)
Illustrious Member

Pictures not showing....

Cheerio,

Respondido : 31/10/2022 3:18 pm
pomah86
(@pomah86)
Active Member
Topic starter answered:
RE: PETG print help

Sorry about that, and I cant for some reason edit my first post... but here comes the pics again, I hope it works this time.

 

 

Respondido : 31/10/2022 11:21 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: PETG print help

Unfortunately there is a very small window of opportunity to edit posts, in efforts to reduce Spamming activities. 

regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Respondido : 01/11/2022 5:34 pm
pomah86 me gusta
Diem
 Diem
(@diem)
Illustrious Member

Is this your design?

If so, or if you have access to the design files:

You are bringing a shape to a knife-edge where two, or possibly only one extrusion is available to support the next, narrow layer.  Already a bit of a balancing act; and then you overlap into mid air.

This is just a more or less unprintable shape, sorry.  Replace with either a rounded edge or a chamfer and the part should be OK.

Cheerio,

Respondido : 01/11/2022 11:51 pm
pomah86 me gusta
pomah86
(@pomah86)
Active Member
Topic starter answered:
RE: PETG print help

Thanks, it is a design I downloaded so not mine, but I get what you are saying, I will see how to tweak it. Thank you for the answer

Respondido : 02/11/2022 7:32 am
Diem
 Diem
(@diem)
Illustrious Member

There are a lot of poor designs out there ... and they're appearing on printables now too, especially since the badge system started.

Before downloading make it a habit to check there is at least a picture of an actual print, far too many have never been printed even once by the designer, let alone tested and refined.   This includes designs for sale on certain sites...

In your case you may be able to import the mesh into your own software and rework it a little.

Cheerio,

Respondido : 02/11/2022 10:46 am
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