See lowpoly model here: https://sketchfab.com/3d-models/medieval-longsword-type-xva-lowpoly-db42bd4ea58346fbb45d02d6a1b73603
Down to 3.7% of tri-count.
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An Oakeshott type XVa longsword with a small fuller. Such sword is popular in the 14-15th century along with fancy full plate armors. It usually does not come with fullers and form a strong point with a solid diamond blade for good thrusting performance.
![Longsword in period art](https://i0.wp.com/balefireblades.com/wp-content/uploads/2021/02/screenshot-2021-02-15-at-18.34.46.png?resize=584%2C361&ssl=1)