Change Infill to put a small Magnet inside Object

Hello, I have a question about Bambu Studio:

I have a small Keychain, created with Printmon on Makerworld. Is it possible to put a small cylinder inside the Model so basically in the infill so that i can put a small magnet inside the modell?

Thanks for your help!

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Right-click the model, Add Negative Part, Disc, Scale Disc to size, Move Disc to correct location.

Put the cavity at the surface if the magnet will be glued in place, or just a couple layers from the surface if you wish to enclose the magnet.

To completely embed the magnet, after slicing, adjust the vertical slider on the right to the first layer which bridges over the cavity, right-click and add a Pause.

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Thanks for your reply, i will give that a try and give an update about my result :slight_smile:

I tested this out, adding a negative part (in my case a cylinder) to my model and placed it where the magnet should be in the end.

But now I have the Problem that this cylinder is filled up with filament:

I want to put a cylinder inside here, but that is not possible if the printer wants to print inside this.
Is there a way to avoid that?

Are you sure you have added the cylinder as a negative part? I tried my own instructions from the earlier post to add a negative 3x3x5 cylinder to a cube and the cavity is not filled. Maybe you can compare this example to your project and spot the difference: Cube.3mf (36.6 KB)

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Yes, right click on my modell and then “add negative part”. But this message pops up:


This is pretty interesting, if I change the directions of the whole modell, it works. If I lay the Model down on its back, it does not work anymore…

Is there a Setting where I can say I don´t want to have tree support inside this modell? Because my Model automatically creates support, even if the support setting is turned off. But here you can see that it generates support where I want to put my magnet in: