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What's going wrong with my prints? (self.3dprinting)

submitted 8 months ago by Psymonkee to c/3dprinting

16 comments fedilink hide all child comments

Hey,

Still fairly new to this hobby and have lots of ideas but I've got a snag with a few prints now and was hoping someone could help me work out what I'm doing wrong.

The project is small trays for a custom advent calendar but as you can see the corner on the second picture has lifted massively.

A 3d printed tray in grey with a handle.

This has happened before with a different print too and I never solved that issue either.

Using an Ender 3 Pro with some generic filament from amazon, hot end at 200C (goes stringy any higher), bed was 50C for this print I think.

Any help would be wonderful :)

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[–] SzethFriendOfNimi 3 points 8 months ago* (last edited 8 months ago) (1 children)

So on a bed slinger you can orient a print any way you want.

But, a bed slinger has a lot more mass to move when moving the Y axis (the bed, your print attached to the bed) then it does on the X (the gantry and tool head)

So orienting your print where longer moves are on the X axis has a couple benefits

accelerations on X are less likely to introduce ringing The
Heavier prints are less likely to come loose from the shifting (although if this is the case you probably should slow down or work on adhesion issues overall)

You’ll see something similar with Voron prints where some orient the infill to be at 45 degrees since that overall works best with how CoreXY AB motors work. E.g. only one motor is pulling vs both working in tandem at other angles.

https://github.com/AndrewEllis93/Ellis-SuperSlicer-Profiles?tab=readme-ov-file#45-degree-profile-vs-standard-profile

[–] j4k3 3 points 8 months ago

That depends on the type of print. The design the OP showed will not have such a ringing issue with something large and low. The problem is a lifting corner. The long Y orientation is wrong for this problem.