... Automatic Vacuum Machine *Vacuum Acrylic,ps,plastic *make light box ,LED letter vacuum forming machine for acrylic 1.Do not have ... the temperature is accurate, acrylic materials can be reused, no defects, fast, time saving.C. No external mold constraints, drawing a small ... . Die on simple, accurate, and do super small print, no waste;E. Without mechanical indentation process, so that smooth transition ...