A while ago I stumbled upon a webpage that demonstrated how to sharpen the round corners of a rectangular path. Basically you would just pull the nodes of the corners across till they intersected and then somehow select that piece and delete it. For the life of me I cannot find that webpage again nor can I remember the keystrokes used to select the piece to be deleted.
So can someone please assist me with a method to sharpen round corners of a rectangular path or to delete the below piece as indicated by the circle:
Thank you in advance!