I offer a rough size graphic Unit mm
Place the USB cable should be sufficient space
Show Image
(http://design.myweb.hinet.net/KB/OSHI-KB-2D.jpg)
Refer to my previous design
http://geekhack.org/index.php?topic=16289.msg312979#msg312979
Honestly, I'm still not sure it would be enough space for a cable. I just measured a cable with calipers and the USB A housing is 9mm thick, the USB Mini B housing is 7mm thick, and as sleeved USB cable is ~5-6mm. The cable might not have an issues on the part butted up against the wall, but the housing will have clearance issues deeper in the case because of the slope. It will be ~10mm where the USB housing butts up against the wall, but closer to 8mm where the other end of the housing ends in the case, making it so you can't properly close the lid. Additionally, only incredibly short cables that don't have any overlap in the compartment would work.
I'm not bashing the design as I think it's really interesting, I just have serious doubts about the ability for that compartment to be used in the way that it's designed to be used.
would this help?
moved from the prototyping thread...
GH60 rev. B (second prototype) dimensions
Okay, the rev. B board is nearly ready and here are the dimensions which hopefully will be final.
Could you (case makers and owners) check if these dimensions will fit your cases nicely?
These were made basing on my measurements of the Poker plastic case and comparison with rev. A.
FYI the switches are centered in the board in both directions, so the distances between keycap edges and PCB edges are the same on the left as on the right and the same on the top as on the bottom.
Show Image
(http://geekhack.org/index.php?action=dlattach;topic=34959.0;attach=27547;image)
EDIT (extra info):
The 7mm distance is the horizontal distance from the center of the top-left mounting hole and the horizontal center of the USB connector.
The USB receptacle stands out 2mm beyond the PCB edge.
The corner radius is 2mm.
EDIT 2: updated image with reset switch position and element drawings
image from above...
(http://geekhack.org/index.php?action=dlattach;topic=34959.0;attach=27547;image)