Your basic ramp trap minus the ramp and plus the gate with ceilings. 2x2x2 is fine, just remember to set your gate to auto open-close. When done placing the whole thing down, pick up one of the frames on the sides. Kite it with a ptera-size flyer and fly out of the opening you’ve made. Taming it without a trap is basically a death sentence unless you have a griffin as it will fly away and never return. Stays down for a long time.