Dominic has been a fan of these assembly brackets for some time now, he even went as far as making a set and posting them onto thingiverse. I had to glue some wood sheets at right angles to each other and these seemed to be the right thing for the job so I cut myself a set too and glued everything appropriately. Pretty useful but mine were only 6mm thick to tended to flick themselves flat until I got the second clamp into place.
Emoticon