Photo build guide will follow. But for now here is a quick rundown.
14mm bolts + locknut to attach arm and brace.
16mm bolts through top plate and arms to pressnuts in bottom plate for a 10mm build.
22mm bolts through top plate arms, and spacer to pressnuts in bottom plate for a 15mm build
FC stack, and electronics, should be attached to the top plate through the strap plate (see pic above).