DUPLO compatible log carrier as add-on for the train carts and / or vehicles, to fit pencils / tubes / logs etc. for construction plays. The kids love them for their versatility. Test printing done: - PLA, brand Bambu - Printing time is ca. 1H15M for 3 pieces in 0,16mm layer height. - Advice to turn on (inner) brim support because of better printbed adhesion. Enjoy! Mesa