This is an experimental home made instrument. Its design is inspired by the regular electric bass and the contrabass.\r \r For more information about this project, go here:\r \r \r For more scrap wood projects, please visit my blog:\r \r \r I found the wiring diagrams for the pickup here:\r \r \r I also used an online fret calculator to find and mark the fret positions. You can find it here:\r