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Jon Anderson

wrote:

Hex is easy- but octagonal?

Could take square and knock the corners off, but that's a fair bit of
removal.

It's for an ultra high tech carbon fiber violin bow,
octagonal profile matches the bow so hex won't cut it.
Options are octagon, knurl, or some sort of shallow fluting.
But not worth the time/expense of profiling the OD to get
the octagon.

(dang, wish my Omniturn had the indexing spindle!)

Jon