Hullo everybody!
AND YET AGAIN, I have been asked the same type of questions.
This post is an attempt to obviate such a recurrence.
I have reconstructed charts I made when I was still starting out.
'THANK YOU' to all you (involuntary) contributors for providing the pictures.( My apologies. I hope I haven't annoyed you too much by not first seeking permission to use them.)
The following is based on basic shape: