Benchtop power supply

[I'm working on a supply with internationally sourceable parts - will post as soon as it is complete and tested]

Hi! This is a fully custom power supply, and should be taken either as inspiration, or as a more advanced project as I don't have a part number nor a link to the main part, the power supply (more in how I designed this).
I made this literally as compact as tolerances let me, so any part discrepancy can lead to a difficult assembly, also everything should be heatshrinked as it will