Score and snap along ceterline. Shape and sharpen with a bench grinder.
No offense but I wouldn't use that on big game. My older brother used some light gauge, high temper steel points he made about 20 years ago, made from those disposable handsaws. He shot a big buck and the point hit bone. Penetration was very poor and we didn't recover that deer
Not sure how Patrick meant it, but I cut half or a little more of the way through the bandsaw material I use. Once you cut completely through it, it flat out eats cutting wheels. I may haft one up before I send them out to Pat B and double check my method, as these are the first I've made using the cut part way and them snap them out method. Ive cut them completely out and tested them with no ill effects, but no animals, so cant say for sure.