E keychain

Here are the recommended 3D printing parameters for a 3D printed English letter keychain using PLA material:Layer Height: 0.2 mmWall Thickness: 3 walls (assuming 1.2 mm based on typical nozzle size of 0.4 mm)Infill Density: 20%Bed Adhesion: Brim (helps in better adhesion to the build plate)Material: PLA (Polylactic Acid)Print Speed: 50-60 mm/s (adjust within this range for optimal print quality and speed)