jimmybuckets wrote:I am having a similar issue where when you are stacking one shape on top of another, only the outside loop is conncected to the solid part of the model.
The picture above shows this very obvious slicing bug you're talking about in Simplify3D 2.2.2 which has been there for ages. It happens with all objects that have the features of the above object, even with single STL models, which the above was made from. Here's the STL that makes that difficult to print object:
My picture shows a cross section view. This is a small box on top of a large box. It's 1 STL file, and should print as a single object, and it does, but very poorly. I told the slicer to use 5 shells for all parts of the print. I used NO INFILL to help illustrate the bug.
Normally you would print such an object with infill. You can very clearly see that Simplify3D only connects all 5 shells on the outer corners of the print. On the corners where the top box and bottom box meet Simplify3D only makes 1 of the 5 shells connect. All 5 should connect!
This produces an EXTREMELY WEAK POINT.
This is clearly a bug that's been in Simplify3D which keeps getting overlooked by the developers.
I think a lot of people don't realize that the slicer has this bug, and wonder why certain shapes are so weak, and attempt to fix them with lots of infill.
We should not have to use infill or diaphragms to get around this bug.
This should be considered a TOP PRIORITY BUG to fix. In my opinion it's THE NUMBER ONE BUG in the slicer.
And yet it gets neglected over and over again. We need to bring this to the attention of the engineers.