Disassembly on anvil is difficult, unsure of how this is written but detection for disassembly is spotty at best.
Two-hand Grip + Two-hand Guard could not be disassembled on anvil. Large blade (3 ingot) could not be added to two-hand Grip + Two-hand Guard. Unsure of requirements to build "Greatsword", as Two-hand Grip + Large blade does not meet requirements. Would be nice to have a guide to terminology to make it easier to determine part requirements on customer request.
And Polearm grips have a nasty habit of clipping through the house walls upon delivery and getting stuck there.