I am modeling a chair now. the box is the seat area. I want to make the center of the seat sink down a bit. I am not sure what is the easiest way to do this so I use my long method as below:
a) Cut a few vertices not straight line but slanted 45 degree.
b) Use PEF and G to move the center vertice lower.
My problem :
a) I only know how to use loop cut to create straight edge. I am not sure how to create a slanted edge (refer to the 1st image) - I wish to cut an edge through the 3 selected vertices but how?
b) How can I create an edge that links 2 edges (refer to the 2nd image) - I want to cut at a vertice at the center of both edges but how ?