Great basses start with great wood. This is some Mango from Maui I will use to build a body.

Here's a close-up of an unfinished neck. I used Jatoba in the center for strength and stiffness, then added Peruvian Walnut and Maple for contrast, and African Mahoghany on the edges.

A rough-finished neck and unfinished Sapele Mahoghany body.