I wanted a Gridfinity holder for a hammer where I could lay it flat on it's side and was not able to find any so threw together my own.  

In my case - I use it so rarely; so wanted something I could place on the bottom of my tool drawer and stack other things on top of it.  
Maybe that defeats the point of Gridfinity; but oh well!

The cutout matches a claw hammer bought from an Ace Hardware ages ago.

Prints in two halves - each is 4x4.  Hammer will lay stable only using the top half if desired. 


Printing Directions
 

• Printed using PLA, but anything should work
• No support needed
• To reduce total filament usage - printed at 5% infill and .28 layer height.  

Have included two versions of the top half. One with  finger cutouts for easy grabbing, and one without should you not need or want to add your own.