The component names in the schematic above correlate to this layout:
For a full BOM for all 4 versions, download the file linked below. In addition to the BOM, it contains scaled transfers for etching your own circuit board, as well as a scaled drilling template for building the effect into a Hammond 1590B enclosure.
If a BMP variation you want to build isn't specified in this project, use the above schematic and compare it to the schematic of your desired version to figure out what components go where.
Updated Sept. 2, 2015 to correct schematic, placement of Tone pot, and drilling template.