3D Printing Intro Level 1 – Echo: 3 tone whistle Posted on March 28, 2022March 30, 2022 by Erin Banwell Take Course This 3D Printing Intro Level 1 Challenge will walk you through your first 3D print on the Prusa printer. Download the 3D model file, set your settings, print your item! Level 1 – Download, Send, Print!