sorry I cannot show you my machine but there are other ways to do a snarebed without expensive tools if you want to try
download this file
(click on Picture)
|Print it on a thick material and cut as best as you can.|
|align it on the shell|
|mark the part on the shell you have to remove
deepest point ~2mm-2,5mm
|remove the wood with a file carefully|
|use sandpaper to make it nice and smooth|
if you work good you will get this.
But better let me do it!!