Generating the gcode, in Voxelizer software, for extended table with size of 300 mm require a change of one setting.
While in Voxelizer, pay attention to set of gray buttons that are located on the level of scene tabs.
Right button is a "select printer" button, selecting it will show up new window, as shown below.
"Generic RepRap" is for dedicated option for all printer that are RepRap based.
"ZMorph 2.0" is for standard ZMorph heated bed size (250 mm).
"ZMorph 2.0 XL" is for extended ZMorph heated bed size (300 mm).
Change is done after selecting proper model of the printer/bed size and confirming the change with use of "CONFIRM" button.