Find a medium-sized stone with a smooth top and bottom; any one from outdoors will do, they can be found around apartment complex lots, taco bell, etc. With a sharpie, draw the sigil on the stone and place it on an altar between two dark blue candles. Place a lancet, needle, or some other blood drawing device next to it as well. Then, go to another room, sit in a comfy chair, and meditate for thirty minutes. Even if you do not want to sit due to a lack of focus or sleepiness, force yourself to, this will put you in a trance, and the spirits will appreciate the energetic state you give off. Once the time is up, go back into the same room, start some ritualistic ambient music playing, and sit in front of the stone after lighting the candles. If you reached a trance state at all, you should be able to snap right back into it pretty easily, so do so for another minute or two. Once you open your eyes again, soak in every sensory, proprioceptive, and mental/emotional detail that you can of the moment, prick your finger with the lancet or needle, and place one drop on the sigil. Sit and trance our for a couple more minutes, then snuff out the candles and bury the stone at a crossroads for three days. After that, dig it up and display it in your living space. Despite my giving of instructions, I do have to caution you against doing this, working with this cosmic being is not for the faint of heart, and it will likely fuck your life up as well as it can if you aren't stern with it and meet it with the intention of bettering both your existence and theirs. Azazel in particular has a presence that permeates entire environments in cannibalistic, spiritually dark, and predatory energies. If you ask for this to be served up to you, it will be your responsibility to transform the experience into something beneficial. Be safe, approach with Wisdom, and don't be afraid to be stern - cosmic beings are vastly impersonal, and will not respect your desires if they are not firm.