Wall thickness 3D model refers to a design with specified inner/outer wall dimensions to ensure structural integrity, while PLA 3D model is printed using PLA—a common biodegradable thermoplastic.
Wall thickness is a design parameter impacting strength, weight, and print time (e.g., thicker walls for functional parts like brackets). PLA is a material choice affecting print ease, flexibility, and finish—ideal for prototypes or decorative items.
For PLA prints, aim for 1.2–2mm wall thickness to balance durability and material efficiency.