This is a base that can be mounted to a surface with #8 screws allowing European style terminal blocks to be press fitted for mounting. I did not want to use tiny screws in the very small holes built into the terminal blocks. Having them press fitted allows me to easily hide them in tight spaces, but provides an easy way to remove them from the base plate to work with the wires if needed.
Download the stl and print. I have printed them at 15%, 20%, and 100% fill. The 20% fill worked the best for me. I am printing with a layer height of .2 on my printrbot simple metal.