First layer full test model

Unlock flawless first layer adhesion and perfect flow calibration with this ultra-simple, cost-effective 3D printer calibration model!!!  This one-layer solid rectangle measures 240 mm by 220 mm, printed at a 0.2 mm layer height.  In just 30 minutes, you can confirm that your machine’s flow and Z offset are dialed. And you'll only spend 13 grams of filament!   Visually inspect the print to instantly spot any potential errors.  Plus, a smooth, uniform surface by touch guarantees that your printer is ready for your favorite models.  Elevate your printing game effortlessly!!!