iLED polkadot can be used anyway you want. Opqrstu3D designed it as a holder for a small led (no power led!), the hole for the led is 7 mm. When you print in heat resistent material: put the iLED Polkadot gadget upside down and use it to burn tea-lights. Printable in Strong & Flexible Plastic, Detail Acrylic or Precious Metal.