3D Printing

[Quiky]

I've done a bit on model cutting/splitting for oversized models and "full-scale" prints, so there's a couple options out there (not all inclusive);
Bambu Studio has built in model-cutting to take an oversized model, and apply a manual plane-cut + connection pins to break a file down to printable sizes.

Luban3D, has auto cutting, which is a somewhat automatic method of taking the same oversized models and applying automatic cut+pin/plug/dowel based on bed parameters and manual plane moves (if you find a cut that makes no sense).
Not cheap, but has a free trial.

Could also consider taking solid parts, and hollowing them out with an offset (making a multi-wall shell, then those can snap-fit with a complete hollow inside vs infill). MeshMixer is pretty good on this front.

Example via Luban3D; Nuka-Cola bottle stl, scaled by 10x, then cut into 3x printable pieces with native-plugs;

 

[Matt2000]

Thanks, I've had a play and got the connectors working in Bambu Studio. Ignore the floating elements, I will remove those.

I need to experiment with the location of the cut line as the magnets for joining modules would go where it is here. I might just do cutouts and print magnet plates separately.

With the infill at 0% I can print these as hollow shells without messing around too much. There may be a little stringing inside but whatever.

 

[leviathan]

Bambu Studio is a fork of the Prusa Slicer, which also has had model cutting and automated connection elements added in the last release (2.6). Not sure if Bambu's features are the same implementation that Prusa built, or if they built their own solution in the forked code. Could be worth giving the "original" a try, too

They also have a new infill called "lightning", which is possibly what you want here. It basically leaves the model hollow, but adds internal support structures for features that would be difficult/impossible to print cleanly otherwise. So in the end, it's as little infill as possible.

 

[Matt2000]

Bambu Studio is a fork of the Prusa Slicer, which also has had model cutting and automated connection elements added in the last release (2.6). Not sure if Bambu's features are the same implementation that Prusa built, or if they built their own solution in the forked code. Could be worth giving the "original" a try, too

They also have a new infill called "lightning", which is possibly what you want here. It basically leaves the model hollow, but adds internal support structures for features that would be difficult/impossible to print cleanly otherwise. So in the end, it's as little infill as possible.

Thanks, I actually installed 2.6.1 last week but never opened it. The lightning infill is interesting, with this model it acts like a self-growing support but still leaves the model mostly hollow. Seems ideal. This is with dowels added

The only thing I'm not sure about is how I would use this slicer to print this on the A1 Mini with multiple filaments, it doesn't matter for this particular part as it will be all one material/colour but other parts will use multiple colours.

 

[Quiky]

Thanks, I actually installed 2.6.1 last week but never opened it. The lightning infill is interesting, with this model it acts like a self-growing support but still leaves the model mostly hollow. Seems ideal. This is with dowels added

View attachment 3570714

The only thing I'm not sure about is how I would use this slicer to print this on the A1 Mini with multiple filaments, it doesn't matter for this particular part as it will be all one material/colour but other parts will use multiple colours.

Export the 3MF after pinning then load in Bambu?

Unrelated: Canadian (southpark) Spiderman.

 

[Matt2000]

Export the 3MF after pinning then load in Bambu?

I was specifically thinking of getting it to Bambu with the lightning infill added by the Prusa slicer, I just checked and Bambu has the lightning infill so it's a non-issue. I currently prefer the layout of the Bambu software UI compared to that of the Prusa slicer.

It's possible to export a sliced OBJ file with the toolpaths but it's a really weird result (in this case a 267MB file!) and Bambu understandably hates it.