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Assembled with deck screws.

I decided to use the bone nut for another guitar, and, in keeping with the nature of this project, made a crappy wooden one. I made a tailpiece out of some scrap copy machine metal. This is the initial string up. I was happy that the spider didn't cave in.

Shaped .

Sawed .

The nut. Not happy when I told him I needed his bone.

Tuners are piano pins (I got an almost full box of 250 at a garage sale for 75 cents.)

Which will accept this screw down through the bridge and into the cone. Adjusting the screw will change the tension between the bridge and the cone, and thus the tone of the guitar somewhat.

Drilled a hole in the cone, and glued on a nut.

Retaining ring (that the periphery of the cone sits on) in place. This is the top of the guitar - so everything is upside down here.

The cone in place.

The spider in place.

The top, with retaining rings and spacers, spider, and cone.

Side view. The spider will sit on the black plate, acoustically coupling its edge to the cone. The very edge of the black plate will sit on a retaining ring attached to the top of the guitar.

Top view .

Next, the cone. Made from a large diameter black plastic plate, a smaller diameter white one, and a plastic soup bowel (from the dollar store, of course.) They were cut, then bonded with the resin. I poured a little on the bottom of the bowel, to make it stronger when coupled to the bridge with...

Top view, showing the screw hole through the saddle and spider.

The saddle sitting on the spider to complete the bridge assembly.

Aluminum saddles, made from a heat sink from a computer. The hole in the middle is for a screw which will acoustically couple the center of the spider to the cone.

A saddle holder, which sits on top of the spider, made from alder.

It was built up in layers, and bonded with fiberglass resin.