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Step 9: Bolting the mechanism together

Put two bolts through the holes of a leg and secure with a nut. On the top bolt add another nut and tighten.

Also on the top bolt, slide on the 3 mm hole of the neck part, with the LED pointing forwards. Add a nut and move it till it just touches the neck part, but do NOT tighten.

Add another nut and tighten these last two bolts against each other (so-called nut and check nut). The neck should still rotate freely. Add a nut to the bottom bolt and move it till it is at the same level as the last nut on the top bolt. Put on the second leg and fasten with a nut on each bolt.