Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4556116.

Made to hold my DeWalt 20 V drill and impact wrench. The holder has slots for an M4 screw and I used threaded inserts to attach it to the baseplte. The base plate has holes for 5/16th bolts used to attach the plat to my work shelf, Baseplate V2 also has the holes for the threaded inserts replaced, not sure this helped any when I used it so I left both versions up. All of these are just because they are what I had available, I'm not sure if larger or smaller parts would be better and I'm sure you could customize to fit your needs or even print it as is and drill out new holes. Since IDK why anyone without a drill would make this.