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My wife asked me to make a bobbin for her wire weaving. Of course, a small 2×3 inch bobbin should be a piece of cake. However, the bobbin requires that 5 cotter pins be set in a circle around the hole that is through the bobbin.

The question became How do I drill five perfectly spaced holes. Often I resort to my computer to draw it. This time, I decided to try to use the indexing on my Vicmarc chuck. It is there – Why not use it? Except that I’ve never seen any way how the indexing is intended to be used.

I checked Vicmarc’s web site and did not find anything there. Hmmm.

I took a couple of pieces of scrap plywood and glued them into a right angle with a little bracing. Then drilled a small hole at spindle height. A ground blunt nail goes into the hole into the indexing holes. It worked.

But, I’d still like to know how Vicmarc intended these to be used.

My bobbin is 2″ by 3″ in walnut. The cotter pins are stainless steel.

Enjoy!