So first things first, link to the page: https://the-virtual-dm.itch.io/vtt-master

Second thing...second. It's a game/tool hybrid which allows you to create 3D landscapes and maps to either record and use externally, or host within the tool. There are hundreds of different objects that can be placed and an option to import your own PNG files to be used as 2.5d objects. Images probably do a better job of explaining it, so here are a few which are all created using the tool.

It's early days with lots more functionality planned, but even as it stands it makes for a helpful tool in designing and playing tabletop games with friends. Future development will be guided by the community based on feedback.