Origin and OriginPro 2020b Highlights

[yasertaghikhani]

Hi, I have seen many videos teaching how to interpolate in 2D problems (to find data between points in a same plane), but I couldn't find any video explaining how to find data (interpolate) between two or more curves which are in parallel planes and how to connect them.
Would you help me?

[muhmmadshafiq]

Please make a video how to draw multiple Y data column graph( I.e ) if we have four parameters like biomass in (g/L) on one y axis and other 3 parameters in % on another Y axises