三. Bottle Design Features 5. Heel and Base ⚫ High-abuse area- start high from the base curving into the base to a suitable base diameter. ⚫ Body-to-base curve should combine 3 radii. The largest blends body to heel, the smallest blends heel to base. ⚫ Diameter as large as possible as a good design. ⚫ Center of the base ensure a flat, stable bottom . ⚫ Stippled or knurled on the circular bearing surface to protect the scratches not to weaken the body during handling and usage. ⚫ Ketchup bottles and other sauce bottles require: heel and base be heavier and contoured when expelling the contents. ⚫ Wide-mouthed jar bases have designed-in stacking features. ·Container base fits into recessed cap. · Indented container base fits over cap. ⚫ Heel tap - excess glass distributed to the heel.三. Bottle Design Features 5. Heel and Base ⚫ High-abuse area- start high from the base curving into the base to a suitable base diameter. ⚫ Body-to-base curve should combine 3 radii. The largest blends body to heel, the smallest blends heel to base. ⚫ Diameter as large as possible as a good design. ⚫ Center of the base ensure a flat, stable bottom . ⚫ Stippled or knurled on the circular bearing surface to protect the scratches not to weaken the body during handling and usage. ⚫ Ketchup bottles and other sauce bottles require: heel and base be heavier and contoured when expelling the contents. ⚫ Wide-mouthed jar bases have designed-in stacking features. ·Container base fits into recessed cap. · Indented container base fits over cap. ⚫ Heel tap - excess glass distributed to the heel