Commented on Topside Leviathan Blade Melee creation
What sort of importing program did you use? If you still have your QB file that you converted to blueprint, it should have the same model as you exported from Magicavoxel.
Did you encounter troubles following our tutorial guide? Step 5 is how to preview creations in game, and at the bottom of it there is a 'modding in' method that is very reliable. https://trovesaurus.com/page=3749/how-to-get-started-with-trove-creations#step-5-preview-your-creation-in-trove