Vacuum tube (8 pin) octal prototyping board enclosure

My br3Dboard for vacuum tube experimentation.

I found these 8 pin octal vacuum tube prototype boards on ebay:

http://ebay.to/2ycTtaW

EDIT: I decided to go with banana jacks as the common connection (not all banana jacks have the same screw diameter). You can see the new files attached. Yes, I know the "3" text isn't bold (I blame 123Design) but it is still very usable. Better to ship it than fix this minor issue. The color codes I used on my banana jacks represent a different pin (mostl