It appears a barrier in 3DCP has been overcome by Zevnik Lab.
overhang
Try Out the “Arc Overhang” Technique in PrusaSlicer for 3D Printing Without Supports
Itās now possible to try out the āarc overhangā technique in PrusaSlicer.
SLM Solution’s “Miracle Machine”: The NXG XII 600
SLM Solutions has released a breakthrough metal 3D printer, the massive NXG XII 600.