Decided I need a passive bass, but then realised I'm skint. Went out to the shed and realised I have enough parts to probably build several basses! I love the sound of Thunderbirds, the body of Jazz basses, and the necks of P basses... so I thought, why not combine them all!   Thought I'd document the process, and my inevitable cockups!   Jazz body made from a very sought after tonewood called Uruguayan Mahogany alternative. Freehand routed for the neck pickup, but thought I