When I saw the laser cut “hammer joint” shown in the reference, I just knew I had to try it as a 3D print, so I created this test version in PLA.

Assembly

Assembly of the joint is straightforward : Place the hole in the Top piece over the tenon until it seats fully, then tap the tenon wedge down flush ( a “soft” hammer is recomended).

Print Instructions

Print in PLA using the 3mf file provided; otherwise :

• 2 perimeters
• 15% gyroid infill

CAD

The OnShape 3D CAD files for this are here :

https://cad.onshape.com/documents/f1f2f3420b867cb6248e7a49/w/5825dbbb3f5b2fd134701898/e/8fb5a9fad2b5a24d0ec334ae?renderMode=0&uiState=65720deba9e752140ca736de