1.fill XYY with row numbers, make 3D waterfall plot
2.open PD dialog, go to pattern tab, click color button of border, go to by plot tab, choose Z value: indexing
3.click apply
4.click color button of border again, go to by point tab, click the pencil button to open increment editor diolog, load other increment list, click OK
5.click OK to close PD dialog
==> no change
Fixed in Origin2019b.