An example of using the polyline 3D tool in VGstudiomax 2023 (that can also be used in previous version - probably from 2.1 onward if my memory is correct).
I start with a couple of other things such as converting a mesh into a volume and using a mesh to create a ROI in a volume.
Data source: [ Ссылка ]
Timecodes
00:00 - Introduction and Data Source
00:58 - convert mesh to volume
01:40 - generate an ROI from a mesh
02:25 - preparing the data for the tutorial
03:50 - polyline 3D
07:47 - cleaning the resulting ROI
09:45 - Subtracting one Roi to another
11:05 - Cleaning the second ROI
![](https://s2.save4k.ru/pic/RQ_wayK6LD8/mqdefault.jpg)