Manipulation to make aprons

Hello ! Can someone explain to me step by step what is the manipulation to
freeze the pose of the approns in a scenery ? Every time I let go of Ctrl, my
work gets lost ! I have to start my work over again, without even
understanding what I’m doing wrong ! Regards, Marc

Hello @Marcstrab , What do you mean by “freeze the appons”? Can you show us a
video of what is happening? When you hold down the CTRL key, you just have to
click twice on the left mouse button to finish the appon on the last point.
Regards, Boris