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KL-1 Circular Slide Rule Replica Box (КЛ-1) — image 1

KL-1 Circular Slide Rule Replica Box (КЛ-1)

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Replacement/replica box for the 1960's Soviet watch-case circular slide rule.

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The typical KL-1 Soviet-era slide rule is nowadays often sold  to collectors in a paper box rather than the bespoke, КЛ-1 branded circular box. I created a replica to carry the slide rules in my collection, an I'll be happy to hear from others who find it useful. I made the replica as close as possible, except the central bulge in the bottom is a little flatter to simplify printing bottom-down.

The attached 3mf file shows how I print it, although I dare say my method could be improved upon.

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