how to toggle a line in prepromax.
Do you mean suppressing from view (hiding) or from meshing ?
for viewing purpose, part need to hides then use left click on trees menu. Edge line boundaries and partition of solid part will be displayed in red color.
however, i did not find an opposite to hides edge lines in model and mesh view.
So the same as this? Edge supression in prepomax tool
yes, how to do in prepromax tool
this like defeaturing of geometry to modified and usually work on CAD, even some operation to split is available for surface.
splitting the surface is fine, how to supress the edge in prepromax
It is currently not possible to suppress geometry items for meshing in PrePoMax.