Well that was interesting! Thanks for all the orders gents. I frankly wasn't expecting that when I sat down to solve my problem! Apparently, it's a common one. When your material arrives I'll get them turned around and shipped pronto.
So here's a question: If I did a socket tray(s), do y'all prefer them to fit snug or just a bit loose, or does it really matter? Do you prefer the bottom to have a protrusion that fits the drive hole? I'm coming up with a couple designs and want to do something people want, that is useful, but that isn't really out there now. Once done I'll create a thread in the classifieds.

Ultimate Socket tray would be a layer of HDPE on the bottom, and foam glued on top in a contrasting color. The foam holds em tight-ish but easy to remove... and the HDPE allows you to keep them stiff...thus reducing footprint (you can make smaller modules, not just full-trays!).
Like these without the box
I think a laser cutter/engraver would be better suited to for marking the size labels in the HDPE. Ideally you could cut the HDPE with the CNC router then have a laser etch the labels.
At my office we both a CNC router and a laser cutter/engraver, sadly I'm not smart enough to write those type of complicated DXF files.
Wait, you want $20 + shipping? Where were you then? http://garagejournal.com/forum/showthread.php?t=266991
I may have to rethink this project.
I'm kinda hoping to have a more comprehensive library of "canned" cuts before doing so. Otherwise, it takes the better part of a day to get everything set up for a new layout. Oh, and in regards to the other thread you linked to, I have the large Makerbot and can 3D print up to 12x12x12 as well.................Someone needs to make a service where you take a high-resolution, digital photo of your tools on a piece of colored paper, with a reference image for scale, and send it and they laser cut your foam and send it back.
Maybe we should start a tool measurement wiki thread

no spaces designated for Pozidriv or JIS?
(relevant to my interests as I just ordered both sets of bits today, PB Swiss Pozi and Vessel JIS)
I think a laser cutter/engraver would be better suited to for marking the size labels in the HDPE. Ideally you could cut the HDPE with the CNC router then have a laser etch the labels.
At my office we both a CNC router and a laser cutter/engraver, sadly I'm not smart enough to write those type of complicated DXF files.
You mean label? I thought they (Pozidriv and JIS bits) were the same 1/4" drive so changing labels, or adding another couple rows and widening the tray is simple.
OK, so my spreadsheet is a google doc. I'd posit that a single document, accessable from the cloud, and readable and writable by anyone here would be a great way to build a database of socket sizes and part numbers, right? I'll be happy to open it up to anyone who wants in. PM me your email address and I'll add you to the editors of the spreadsheet.
The sheet lives here for now:
https://docs.google.com/spreadsheets/d/1-73YHu7rP-L5Kg700BLfE-EM2RuBPGICE-EFOiPIN9M/pubhtml
This is a public facing web page version, no editing happens at that link, only viewing. Yep, the sheets are kinda messy right now, but some sorting will fix that after I come down from the pile of beers I've had tonight.

OK, so my spreadsheet is a google doc. I'd posit that a single document, accessable from the cloud, and readable and writable by anyone here would be a great way to build a database of socket sizes and part numbers, right? I'll be happy to open it up to anyone who wants in. PM me your email address and I'll add you to the editors of the spreadsheet.
The sheet lives here for now:
https://docs.google.com/spreadsheets/d/1-73YHu7rP-L5Kg700BLfE-EM2RuBPGICE-EFOiPIN9M/pubhtml
This is a public facing web page version, no editing happens at that link, only viewing. Yep, the sheets are kinda messy right now, but some sorting will fix that after I come down from the pile of beers I've had tonight.
What happens to the socket fit during thermal expansion/contraction, as in an unheated garage?
Count me in, [email protected]. It'd also be great if we could capture the socket length. You'll see why when I post my new design for socket trays. Should be this weekend but latest next week sometime. The last column I'd think to be important is "vintage." Based on the collection of stuff I have, the older vintage (at least sockets) seem to be heavier/thicker![]()
I just got the 1/2" drive SK set if you want to add those to your sheet as well. Dunno when I'll be near my calipers again however.

Collecting all of that info is a task, inputting the value changes for each board.... 
That is a very serious and exhaustive goal. To this endeavor ICollecting all of that info is a task, inputting the value changes for each board....
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Those trays look great, especially your original hex bit tray, something that there isn't much choice on the market.
For anything socket related, not sure if this is what they are referring to with the spreadsheet, but outside diameter is not a constant. A 3/8 drive 1/2" socket will have different outside diameters from one brand to the next. Some brands may have the same size, but others will be different.
I have one of these Hansen socket trays (pic below). My Craftsman fit perfectly, but a full set of Williams I have do not. The socket walls are slight thicker and do not fit in the tray's hole.
If you make a peg type system, like many of the manufacturers of these organizers do (Hansen, Ernst, Westling...etc), you can count on 1/4", 3/8' and so on remaining constant.
Really interested in your wrench storage solution. That is the one area that I just can not figure out in my box. Everything I have tried takes up way too much space, or is difficult to find what I need.
Just want to say thank you, and leave some positive feedback.
I'm pretty dang happy with how they turned out, Transaction/shipping went very well too.
Only problem, I just spent an hour organizing my bits
Thanks again,
In a 4" drawer, you will easily be able to fit 2 FULL 16 wrench sets, fully identified and extractable into the same space, with plenty of storage for "less used" wrenches underneath those 2 sets. I can't wait for my CAD guy to finish the design so I can cut one!!