Welp, my jewelers saw arrived, and I bought a cheap coping saw as well. That came in hand for roughing things out and removing excess waste.

I made a simple bench pin from an old cupboard door that was sitting around. Just a fostner bit and a handsaw, I should have made the mouth of the hole narrower, but I can easily knock together another one. It worked great, just clamped to a painters horse. I did modify it to narrow it a significant amount on one side after this photo though.

Click image for larger version. 

Name:	1.jpg 
Views:	361 
Size:	829.1 KB 
ID:	41264

I'd sanded the jarrah down to about ~2mm thick, and even then it had a tendency to basically shatter randomly.

Click image for larger version. 

Name:	2.jpg 
Views:	367 
Size:	835.9 KB 
ID:	41265

A bit of CA glue to set it up and then flood the cracked areas and it should be all good. I'm going to try and sand these to be a bit thinner on some plate glass, I'll see how that goes. I used fret slotting files to clean up inside the a and k, that seemed to work, but things are still a little wonky. Eh, first time, so I'm relatively happy with how it went.

Click image for larger version. 

Name:	3.jpg 
Views:	386 
Size:	679.6 KB 
ID:	41266

I've got a plan for transfering the shape to the headstock. I'll be carving by hand with scalpels, so I'll "masking tape and ca glue" the pieces in the correct locations, and then mark them out very carefully with a scalpel. That should give me a pretty decent guide for where to carve out.