FOR UE4.26
!!!!!!CAUTION!! If you use ue4.26 use this variant for the rest is the same ...
https://imgur.com/a/OAAMV6C or https://blueprintue.com/blueprint/xq5-_ft9/
ARCandidate in UE4.26 now be found here: https://imgur.com/a/npa6PiS
Complete step-by-step tutorial to create AR Image Tracking unreal engine 4.25 ..
For those who want the FitToScan image you can find it here:
https://developers.google.com/ar/images/FitToScan.png
