Follow these easy to understand steps for finding the correct armor recipes for Plane of Fire Armor.
1.) Open the correct tradeskill container, Blacksmithing Forge for Plate / Chain or Sewing Kit for Leather / Silk
2.) Set "Max Trivial:" to 10
3.) In "Partial Name:" type either "Orn" for Ornate (Strange Armor) or "Ele" for Elemental (Powerful Armor)
4.) Hit "Search Recipes"
Viola~ Only the custom recipes for Plane of Fire will appear. Pick which one you require and hit combine. Enjoy!