Loops intro in Substance Designer.

Hi everyone!
This is an introduction tutorial to loops inside Substance Designer.
The tutorial covers the While Loop node in Pixel Processor and how to set up a loop template, the Iterate node in FX map, making a loop infrastructure with instance graphs and lastly, feedback loops.
Link to the example file here: https://drive.google.com/drive/folders/1dstgxAoMzCn1SBQnu-BLMvm21yasaZJq?usp=drive_link
This is the link to a growing playlist of advanced Substance Designer tutorials: https://www.youtube.com/playlist?list=PLXkRNz-fs-fpYAt9TxDcmWjp103INiSh5