hey my friend showed me this thing he did and he forgot how to do it....he started the the polygon lasso if anyone can help it would be great
Don't use the lasso for this, use the pen tool. It gives a way smoother result. Just make the shape with your pen tool and right click it make it a selection with a 0,1 or 0,2 feather. Then add effects (by the looks of it bevel & emboss). Also moved to the right section for you.