Hi Corwyn, Nice work.
There not much that really needs to be said about the coin. The design and graphical layout is clear and even if some of the text and images may need altering (text wrapping Multitool.org), it's pretty much there.
For the tritium core, i found these:
http://www.mbmicrotec.com/en/products/trigalight-watch-components/radial-marker. I was looking at the second one down (T4030). Easy enough to install, if perhaps a bit expensive and illumination may be a bit rubbish, but it's hard to compare radiation signatures with visible light output, so i can't be sure.
["I know EDC did something similar, but who cares, this is what we're about... nothing is completely new in the world - if one country has an eagle on a coin, noone else can?"]
I wouldn't say that your design is that similar to the EDCforum one. I made a comment to Sweety-Sama because of the four segments thing and even then, since most of the tools would have been different between the two designs, it wouldn't have been a problem, i just thought it should have been pointed out.
The tool design, certainly is interesting.
There are a few points to address since it is rather complex.
The spanner/wrench geometry is a bit wrong. It's the same issue i mentioned with Cogito's spanner/wrench.
For an open spanner to work, contact has to be made on two of the hexes' corners, that are opposite each other, through the centreline. Anything else will cause slippage and damage to the tool and the screw, bolt, or nut's hex corners. The picture below shows what i mean.
The blue circles show where tool contact should be made, when turning the tool clockwise. The red circle shows where it would be made with the current arrangement.
The black sketch shows a possible solution to the problem. It would also shorten how deep the hexes go into the tool, thickening the area behind them, giving the tool more strength, when using the spanners.
The sleeve is a good idea, but technically difficult. It would have to be a tight fit to stop it sliding open unintentionally. I would suggest that it should be made of 3D printed plastic as i can see no other way of manufacturing it and installing it onto the tool.
The handle is a neat idea for getting the most out of the tool, but attaching it to the tool, for use with driving the spanners and also from using the slingshot will be difficult as the force loadings are in very different directions. Also the sleeve will get in the way.
I'll be interested to see how this turns out.