Iron Man Arc Reactor USB-Powered

thingiverse

**Other materials required:** * 30 5mm blue or white LEDs * You won't need all 30 but that gives room for duds * 100 ohm resistors (one for each LED) * 24 gauge copper wire * An old USB cord * Three M2 x 20mm bolts **Remix changes:** * The entire model is shrunk to 80% of its original size. * Crystal Ring and Main Crystal are modified to fit 5mm LEDs after shrinking. * Caps are shrunk to 77% of their original size to keep a tighter fit. * Support cage: * Modified to fit 5mm LEDs * Fillets are applied at the base of the top arms to prevent them from snapping off * Fillets are applied to the top of the top arms to help them insert into the Crystal ring easier * Hole size is increased on Main crystal, Lower center, and Upper center to fit M2 x 20 screws