Falcon Heavy Model – Flight 1 [video]
youtube.com
youtube.com
There's a little more info on his site (with some index finger scrolling fatigue): https://bps.space/falcon-heavy
That said, great video and impressive work.
a) Aircraft that are designed to be a faithful scale model of a real thing, with all of the intricate modeling and painting work that goes into it. For example there's a person who built a model of an Antonov 225: https://www.youtube.com/watch?v=WRI2y0cwHd0
You can find flying B-29 models, jet airliner models, etc.
and then
b) Aircraft that are designed for a dedicated purpose and look nothing like anything that exists in the 1:1 scale aviation world, such as the "Believer" foam first-person-video plane: https://www.youtube.com/watch?v=qf4x5XhHvD4
where (b) includes other clean sheet of paper designs like Zipline's blood bank delivery drone, which has a recovery method not dissimilar to a Boeing/Insitu ScanEagle:
This makes me want to build model rockets again..
If you need FOSS app for design & simulate model rockets -- use OpenRocket.[0,1,2]
There are many tutorials on YouTube.[3,4,5,6,7]
[1] https://github.com/openrocket/openrocket
[2] https://sourceforge.net/projects/openrocket
[3] https://www.youtube.com/watch?v=JCU8QRVkdYQ
[4] https://www.youtube.com/watch?v=1pp-mVTBd14
[5] https://www.youtube.com/channel/UCIUaeJ7GV_WPTp26NIkg4rg
[6] http://www.youtube.com/watch?v=egHbZUEr_Co
[7] https://www.youtube.com/channel/UCeWSz41c1ic4pBmUIiZQsTQ
I'm not sure how thrust vectoring is altitude control... I suppose it's OK to steer then so long as your "target" is the general direction up. I can see value in that.