Thanks.
I made another one. But instead of using a blade off a old knife I decided to make my own blade. I just used plain steel to test it out. It will probably start rusting sooner or later and become dull. Ill have to buy some special gosh darnit steel that is used for knives if I want to make some to use.
I formed the blade with a grinder.

and then to make it look neater and to sharpen the blade a little more my dad told me to use some tool, im not sure what its called, but it made everything smoother and it took out the grinding marks. It also made it sharper. Steel buffer maybe?