Lines on Model in Blender are on Lychee Slicer


Hi All,

I’m a little beat with this one and I’m asking for help, I’ve been designing and printing keys for an old computer, all is well but as you can see from the Lychee Slicer image I can see the lines, this does not happen on certain models, but I cannot use the other(s) as it’s a different height and angle, I’m using blender 3.2.2 I can see I’ve created triangle(s) as STL likes triangles but different colours “not sure if that’s a factor here”, I’m using 3DPrint to convert it to STL, so if I see the triangles in Lychee Slicer they will print, please has anybody got an idea what I can actually do here.

Why don’t you do this way instead and then triangulate the faces? I’m sure that starting with a good quad geometry would help you a lot


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Thanks for the reply I never thought of it that way.

Though I forgot that it does have a rounded edge about 1mm, 4 segments, width, and loop slide off

I wouldn’t have thought that your example would give any problems though. I’ll try it thanks and report back Cheers again.

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How did you get the topology to come down so evenly I’ve not managed to get that around my head “programmer by trade” so it’s not even as yours is?

Well, I am not sure if my way was correct, cause I did not have any model to be precisely attached to, so I simply extruded the top part down and flattened it by scaling to 0 on the Z axis and then scaling up a bit again. After that, I created the lateral loop cuts. Of course, you will need to be more precise than me, but I don’t think that will be too hard.

Sorry for my late reply, but since you did not answer my message, but to the post, I did not receive any notifications.

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Something you have to consider when 3D printing, is that your slicer will see the raw mesh, without any visual enhancements.

If you’re using Blender to model for print often, then get into the habit of using flat shading, as this will give you a more accurate representation of the final piece. I don’t know about Lychee, but Chitubox has an anti aliasing feature, which smooths the mesh when you slice it.