If you prefer, you could possibly have another alternative.
Such as entering my world and doing it yourself! I wouldn't mind.
Or you could do the step-by-step.
Either works.

Oh this would take some time to do a step-by-step guide, but I could give it a try.

Love the ship, but.
I need help with using this survival.
I love the idea of the piston work and all of that, but I am having trouble making it work on Vanilla.

Since using projectors won't let you copy other grids on the same blueprint,
could you make a guide step-by-step on how to do the airtight hangar?
Piston position, buttons, timers and all of that.
I would appreciate that.