At Sun 'n Fun 2018, CubCrafters was showing its FX3, a fast-build kit version of the popular Carbon Cub LSA. But it's a lot heavier and has the CubCrafter proprietary ASTM engine.
This is a companion discussion topic for the original entry at https://www.avweb.com/air-shows-events/podcast-cubcrafters-fx3-fast-build-kit