In PrusaSlicer	External Perimeters First - Off
In Simplify3D	Outline Direction - Inside-Out
In IdeaMaker	Shell and Infill Order - Inner Shell > Outer Shell > Infill
In Cura 4	Walls - Outer Before Inner Walls - Off
In Cura 5	Walls - Wall Ordering - Inside To Outside

Combine Infill Layers:

In PrusaSlicer	Combine Infill Every - 2 layers
In Simplify3D	Combine Infill Every - 2 layers
In IdeaMaker	Combine Infill Layers - 2
In Cura 4 & 5	Infill - Infill Layer Thickness - 0.2mm

Print inner walls first:

In PrusaSlicer	External Perimeters First - Off
In Simplify3D	Outline Direction - Inside-Out
In IdeaMaker	Shell and Infill Order - Inner Shell > Outer Shell > Infill
In Cura 4	Walls - Outer Before Inner Walls - Off
In Cura 5	Walls - Wall Ordering - Inside To Outside

Ensure you're not overexposing the models.

Print straight without angling, just as they are imported. This allows for printing many at once.
No hollowing.

Tagi