16" Acrylic globe (Adlite Lighting and Plastics) 16" is a little larger than Deadmau5.
2m of 4-way stretch red spandex/lycra (same stuff Under Armour uses in their normal stretchy sport shirts)
one 2'x8' 1/2" sheet of Extruded Polystyrene insulation foam (Print template, cut four, sandwich the appropriate bolts in between foam. DO NOT use glues for squeaky floors that are "guaranteed" not to melt your foam. Just test different resins (the point is the glue has to SET, not DRY. The foam will seal the glue inside, the glue inside will not dry, and your bolts will not be secured. (This happened to me TWICE XD )
(4) 4 1/2" bolts and wing nuts
Dremel and various cutting/sanding heads
3/4" black rubber foam to line the lips
4 1/2" acrylic domes and white plastic paint.
Black Electrical tape.
(4) nameless taplights (dollar store, not home depot or construction place, the latter will charge you $10 apiece) disassembled and soldered into one circuit with one wire to stretch between the lights and leads to a 9v. 6 LEDs per eye (there are 3 in each tap light)
Wire from a gardening grate in my garage, just a standard grid. Use something else if you can. Use the acrylic from the mouth (Include a battery powered FAN in the back if you do! The head gets a little warm!)
LOTS of hot glue!
White interfacing (fabric) for the mouth. What fabric you used depends on how much you want to see, but the more you see the more you're seen.
12 clamps! XD
Red spandex was sewn in two halfs, the exact size of the ear, The extra needed to sew front and back fabrics together into a seam is made up for with the fact that you get a little stretch in your ear fabric. Keeps the flat sides nice and wrinkle free.
The head was two pieces, cut into two half ellipses and sewn on the straight side. Stretched, clamped and glued into the mouth with hot glue.
I used the innards of a hard hat, with the adjustable head thing inside. Glued the foam from the hard hat into the head, using pieces of EPS foam cut to the radius of the hard hat foam and globe. See my flickr link above.
The head is mounted slightly forward, with the neck hole higher at the back. When you look straight forward, the mau5's upper lip is level not up or down. You have to adjust your mouth cut and ear & eye mounting appropriately.
I painted the head white outside before covering in fabric. It gave it a little more opacity and brightened the red of the fabric. Had I not painted the clear globe, you'd see a silhouette of my head inside the mau5. Nobody wants that. The effect is all outside!
Hopefully this cleared some stuff up. YES, the fabric is tough to do, and YES it's worth doing right. I DO suggest using acrylic and a fan instead of wire mesh for the mouth. I suggest a 14" or 15" globe. Lighter on the head, probably, too.