Quantity   Component name
1 × Magnet Wire (Enamelled Copper Wire) That will handle the current you require safely, or any non-ferrous insulated wire
1 × 3D Printer With a bed size that will fit the Diameter X Radius of the coil
1 × 2 Banana Jack Mounting Posts Preferably 1 red, 1 black
1 × Field Compass (Testing only) Something similar to this: <a target="_blank" rel="noopener noreferrer" href="http://www.amazon.com/gp/product/B00TGH2T3O?keywords=compass&amp;qid=1440522952&amp;ref_=sr_1_3&amp;sr=8-3">http://www.amazon.com/gp/product/B00TGH2T3O?keywords=compass&amp;qid=1440522952&amp;ref_=sr_1_3&amp;sr=8-3</a>