I want to cleave a piece to open it only from one side from a line. Je souhaiterais fendre ma pièce pour l’ouvrir d’un coté a partir d’une ligne.
From that / de ça :
to that / à ça:
Hi, you need to use the rotate tool (under operations)
click on rotate tool, select your points with ctrl. First point O, then P, then P’, let go of ctrl, press enter, select pivot point O’, move to desired spot, click and adjust ° if needed
Then redraw the lines between your points
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Thank you very much !! It is working 
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