Bobbin holder & box

For holding bobbins of thread used for sewing.
Mostly for the semi-large ones, to go on top for easy access, but with ample space inside for more.
If you have many of the small ones (for underthread inside sewing machine for instance),
might want to also 3d-print some of [these bobbin holders](http://www.thingiverse.com/thing:38357).

Designed as a present, originally made for my mother for Christmas.
The lid can be flipped upside down, with the spikes going down into the box.
Then you can engrave some nice words for recipient there, or just your signature/brand.

Designed for 6 mm material (plywood/poppel/MDF/acrylic). Source included for adapting to other thicknesses.
The top lid requires no extra parts, and can be assembled without tools.
Lasercut: 1 top, 1 bottom, 1 spacers, 4+ tfastener, 4+ wedge, 35+ spike (can mix short and long).

The box itself was a bit quickly made, and is optional. It needs to be glued along each side,
and the cutouts for the top should be glu