Bending/twisting

how to bend and twist?
e.g. make a spring or a screw

Hi, I’ve been reading your post, but I do not understand. What do you exactly want to know?

How you should twist an object??

Please tell me

well ya…i guess u could say that i want to twist an object

say like make a spiral-staircase-like object? (well not the stairs but u should know what i mean)