There's a few options... Transmutr - https://lindale.io/transmutr Skimp - https://skimp4sketchup.com/ Fluid Importer - https://www.fluidinteractive.com/products/sketchup-extensions/fluidimporter/ Universal Importer - https://sketchucation.com/plugin/2275-universal_importer ...the best, that's another discussion. Fluid is fast though. All can be trialed and the last is free but donating to author is good karma