This is the Draconic Battle Hammer Stretch Goal from "The Level-Up" Kickstarter.
This Dragon themed hammer prints support-free in multiple pieces. The handle twist together with a screw bolt, and the hammer faces clip on with either four regular openLOCK clips, or four modified openLOCK sliding dovetail clips.
The head of the hammer is hollow, and can be used as hidden storage.
Recommended FDM print settings:
Layer Height: .2mm
Supports: Touching build-plate only
All pieces will print on a build volume that 180mm x 180mm x 180mm
*digital item, you will receive the .stl files to 3D print the included models yourself.