This is the Rhombic Raptor puzzle. The quantity of each part required for assembly is in the file name I used. Screws used were http://amzn.to/2j5tPw...E
and http://amzn.to/2jhJj3V
specifically JIS B1111 standard M3-0.5 screws. 20 mm length for the triangles to attach to the core and 8 mm for the square movable anchors.