Download the PDF file and hack and slash your DC apart.
To follow this tutorial, you will need the following items:
* 1 Dreamcast (PAL/JAP/US)
* 1 Philips screw driver
* 1 small push button (the same as the ones used for the Saturn shoulder buttons)
* 1 Dremel (or very small drill the same size as the push button)
* 1 polishing stone for Dremel or similar
* Hot glue gun
* Soldering iron and some solder
* 2 lengths of kynar wire (about 30 cm each to be safe)
* 2 pieces of shrink tube (0.5 cm each)