This video tests Synbotron PEBA (85A) on a completely stock Bambu Lab A1 Mini to see if this “shoe-sole-like” material is really the most flexible, easiest to print option for everyday makers. on bambu lab a1 mini’s default hardware, prints came out surprisingly clean, strong, and insanely flexible. 

Synbotron PEBA, which stands for Polyether-block-amide. Based on research, PEBA is the same material family used in high-performance athletic footwear, including Nike’s ZoomX midsole technology found in their elite running shoes like the Vaporfly series.