drill pieces 6–8 to hold the bottom of the pivot
screw (Figure E).
Finally, finish the box with a good natural wax
and polish it. This makes the most of the wood,
and gives it a nice smell and touch that kids love.
3. Learn the secret.
The closed box gives few clues to how it’s opened.
You need to remove the peg and swing part of the top
away before the rest of the top has enough clearance
to slide back and swing open (Figures F–I).
So far, we’ve built 2 of these boxes: the first one
with olive wood, the second with cherry. If you build
your own UnaBox, the architects would love to hear
from you at firstname.lastname@example.org.
Get SketchUp and AutoCAD models of the UnaBox pieces, and drawings of the assembly sequence
in Flash and SVG, at makezine.com/20/unabox.
Claudio Bernardini lives in Milan, Italy, where he runs the
clothing design and distribution firm Comvert. In his spare
time he rides a skateboard, writes on blog.bastard.it, and