Slice Portal
Render Portals using Slices as the source
Create fake depth and animate it, use lots of options to customize the look.
Check the tutorial to get a overview of the possibilities.
This plugin is fully build in Wire and uses the 2DMesh pipeline.
The number of Instances and Slice determine the base render-load.
Edges, Softness,Solid-background and Corners add addition render-loads.
For Edges, Softness and Corners, zero means off.