I am going to make a new post instead of updating the original. The only changes are that all of the parts I used for the model that were designed by me are now available on Cults3d on the link at the bottom.
Base model:
https://www.games-workshop.com/en-US/KV128-Stormsurge
Parts by Blue Prints on his Shapeways Store:
https://www.shapeways.com/product/PMRBS2R4B/stormwave-cockpit-cover
https://www.shapeways.com/product/27293J4CA/stormwave-arms-for-one-handed-weapon
https://www.shapeways.com/product/E2ENRADQC/stormwave-poseable-hands
https://www.shapeways.com/product/6R7RQJ8K5/anchoring-spur-pair-hollow
Soft copies of parts by me for far cheaper available on Cults3d:
https://cults3d.com/en/3d-model/game/stormwave-weapons-mods