Here is a complete 3D printer tool holder.
There is one large version, (red printout in photos) this is specifically made for the hex keys with handles below.
There is also a standard version (green printout in photos) for use with standard hex keys.
print .2 layer height
5 top layers
4 bottom layers
2 outer walls
15% honeycomb infil
links to buy tools:
Hex Drivers set: http://a.co/dTeeKgT
thin spatulas: http://a.co/6CiEkcq
wire cutters: http://a.co/2dodQ4e