<<I replace Knobs by Cursors ! ;)
<<Not sure what you mean ?
Just that Cursors/Sliders are more easy to move with a mouse than Knobs...

<< 360 +or - makes no difference it's a complete revolution.
yes but when you have for example first go to 150°
with negative values you can go to -220° if wanted! (else it was blocked to 0°)
It's with that i have made my spaceship! :)