You will NEED a PC gun they negatively charge the powder and positively charge the metal so to will stick like a magnet. Craftman sells one for a decent price and it does a good job with some practice. I also know a guy that can get them and if you are interested PM me I will get you price. You can use your oven at home to cure your stuff its nontoxic. The lamp work good with small stuff but you will need a heat gun. You can use a lamp on a frame but it will take you ALL day. What can you make at a day of work? Do the math should you work one day or PC your frame one day. Good luck like I said if you really want a gun PM me. Here some pics from pcing a frame with a lamp
Don't forget then you will need to start over for clear