: Yeah, Dan, how would anyone extract the copper anyway? It's epoxied in there,

To remove the wires, you tack the joints together first. I used a fairly thin
epoxy/wood flour mixture in a syringe, going along the joints but leaving about
a quarter inch unglued on each side of every stitch. The next day, you pull
the wires, fillet, tape and put a sealer coat on the inside of the hull.

The wire holes will leave some visible artifact no matter what you do. It is
part of the building process, it tells a story, and doesn't look bad to me.
I've filled my holes after pulling the wires using a syringe loaded with a
similarly thin mixture of epoxy and wood flour squirting from the inside
of the hull to the outside. This left clean, small little dimples, the color
of wood flour/epoxy on the outside, which sanded flush easily and resulted in
neat, darkish pinhole marks where the holes had been.

I've also built leaving the wires in, cut them off on the outside, pushed them
in against the panels inside and filleted over them. This leaves pretty copper-colored
holes. It is somewhat problematic to get the copper clipped and sanded closely
on the outside using this method. You will also have to run slightly thicker,
heavier fillets to cover over the wires on the inside. And I found that even
after clipping and sanding, the occasional wire will want to push out into
the glass from underneath just slightly, creating a dimple, or even cutting
slightly into the glass from underneath, I guess just from the small amount of
flexing in the hull when you turn it over or otherwise move it around to work.

--
Ogata (eric)