Vine Sword of Longithinnius
This is a replica (more or less) of a sword that I once saw in a dream. The model can be scaled to any size you choose and the pieces must be assembled after printing. I recommend using superglue to hold them together, though you may not need it. This is intended as a decoration and is useless for cutting things (aside from plant ghosts). I have not tried this, but it might look good with the parts printed individually in different colors.