I don't know if the author is the same, but here another interpretation with the aircraft equipped with variable geometry wings that leads it to resemble the configuration of the SU-22
Do not know about it
But movable wings increase the air frame weight.
Su22 modification to su75 is doable and a great project to learn more about air frame design s factor's.
Some project defained about f7 and su22 upgrading in IRIAF.
They have good background air frame and good engine to do some more on them.