The file 'Spherical Bowls – Special Cut 3D Printer Model' is (stl,scad) file type, size is 5.2MB.
The bowl is printed with the opening down to the build plate. But your may try otherwise
Change the angle of the cut, resolution ans scale in Customizer.
A suggested set:
100%85.0%72.2%61.4%52.2%44.4%37.7%32.0%