Hello.
I’m trying to print a bowl. Thing is, my stl looks like a bowl, but when it prints in Bambu it is printing solid.
What am I doing wrong? Is it the STL export? Is it the printer filling in the gaps automatically?
Thanks
If it’s an object that is intended to be printed in vase mode this is perfectly normal. Such objects are designed as solid, but when you select vase mode it prints the object with no infill, no top layers, and a single outside perimeter that is a continuous spiral from the bottom to the top. You can (and should) specify the number of bottom layers to print which helps the strength and adhesion between bottom and sides, but then it starts the spiral on top of that base for the rest of the print. Also note that it may be advantageous to select a wider extrusion width which makes the result stronger.
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It can happen in any slicer that a lid is placed on top. This may have something to do with the settings in the slicer. But you probably have a problem with the face alignment within the object. You can try to repair the object in the slicer, you may be successful: right-click on the object in the slicer and select “fix model” from the context menu.
Great. So I printed it in ‘vase’ mode. But the wall is so so thin! I was hoping for a much thicker wall. What setting do I need to change for this?
You’d need to change print settings in one of the stock profiles (not vase mode) to:-
Walls: 3 to 6
Infill: 0%
Top Layers: 0
Maybe add a few more bottom layer too.
So don’t click vase mode?
So I’m not sure what you mean by walls, are you talking number of wall loops???
When I put ‘3’ into ‘inner wall’ or ‘outer wall’ - I get an error message ‘width too large’ and then I can’t go onto slice plate. When I change loop size to between 3 - 6, the outside pattern of the wall gets lost. You can see it in the images attached, the big bowl has the pattern---- but the wall is thin. The small one, the pattern is erased on the outise, but the wall is thick! (I aborted this prototype as it’s useless).
I’m basically using this bowl to make a mould for ceramics, so the outside is very important.
That part doesn’t look like a normal vase mode model (which is a solid model).
So it needs to be sliced the normal way, i.e. not vase and not what I suggested above. Can you share the model so I can see whats going on with it? Because it should really an easy print.
TaHow do I share the model? I can’t send the stl through forum.
Mate, I have no idea. 
Did you make it yourself or download it somewhere? Just add a link if you downloaded it.
I noticed studio tells you you have non-manifold errors, don’t fix it as most of the time it may close the top and then print as a solid.
Upload your file to a file-sharing service, then post a link to it in the forum.
I have been building a jug for the last few days and had similar problems with closing holes in the model and cavities. On my jug, either the lid was closed, the filler opening or the opening to the spout. In all cases, it is a question of the alignment of the surfaces within the model. Some surfaces do not point in the intended direction after editing. If the holes is still displayed correctly in the preview, it will be closed in the slicer after repairing.
In the end, I used individual parts. One for the jug, one for the lid of the jug and one for the spout. After a lot of trial and error, I re-meshed all 3 objects and obtained new meshes whose individual surfaces pointed correctly in the respective direction, i.e. no longer contained any errors. I was then able to cut holes in these meshes with other objects by subtracting them. The slicer then accepted the holes and displayed them correctly. After the 3 models were correctly loaded in the slicer (and possibly repaired again) I was able to assemble them into one model and exported everything as one STL. I reunited this one exported STL by re-meshing and smoothing to a proper model mesh, so that I have a complete model with a correct mesh that I can prepare for printing in Slicer.
Easy way use a thicker nozzle .6 or .8