To export a low poly 3D model, optimize it (reduce polygons, clean topology) in software like Blender or Maya, then use File > Export to save in a compatible format (e.g., OBJ, FBX, GLB).
First, optimize: Trim excess polygons and fix messy topology—this keeps your low poly model efficient. Next, select your model in the software (Blender is free and beginner-friendly). Then, export: Go to File > Export, choose a format (OBJ for static work, FBX for games, GLB for web), and enable UVs/textures if needed.
Beginners should start with Blender’s OBJ export—it’s simple and avoids common texture issues.