Ironing test for 0.4mm nozzle

Ironing test model designed to help find the best surface smoothing settings for Bambu Lab 3D printers. The model features a grid of small square test areas, each printed with slightly different ironing parameters, allowing for easy visual comparison of surface quality.Each row and column represents a change in settings such as ironing flow, speed, or spacing, making it possible to identify which combination produces the smoothest and most consistent top surface. The labeled percentages and valu