3 simple hangers for a Milwaukee Fuel 18V tools. No supports required. 

Tool Hanger V2 - good for the multi-tool
Wider Tool Hanger - slightly wider version of the original V2 part, good for 115mm angle grinder

Jigsaw hanger - good for the body grip jigsaw

I printed all of these at 20% infill, 0.2 layer height, adaptic cube - In PETG.

Screw it to the wall and hang tool up out of the way. Simples. :)

[EDIT] - .step files added for you to tinker with.