Thanks for the positive feed back.
James, the caps are not yet permanently attached. I got some 1/4" #2 and #3 unplated screws from Bolt Depot some time ago but none were round headed. They no longer list an unplated version of them so will thread rod for 2-56 or 3-56 and use three on each cap to ensure the caps are secured. I used archer's cement (the amber transparent kind) that is heated to apply and this will water proof the caps and secure them. This stuff is really tough and the screws would probably not be needed.
I used a small butane soldering iron for the solder ups. It allowed me to very precisely apply heat with the parts on the antler, keep the heating of the antler to a minimum and to precisely control the temp of the parts to just flow solder on one small area at a time. I used wire wraps on the first one and thought I might improve overall fit by using a screw type hose clamp which I did with the second. Unfortunately, my sheet stock is delicate and the clamp left indentations. The last cap was done with wire again.
Here are some photos for anyone that might want to try this.
.100" German silver was used for the cap ends. I traced the outer edge of the antler onto the plate and then milled a rabbit around the line .050" deep.
Dennis