Hole Design for plastic part prototype

From considering the mold fabrication processing, the best hole made regular shape and simple hole, as far as possible not to make complex shaped holes with a diameter not too small, holes depth and diameter ratio should not be too large, because thin and long metal easily broken, deformed.

• Hole depth dimension

• Gaps among holes and the parts edge

• Avoid the roots is too thin for blind hole

• Holes should be far away from the area by the loaded

• The flange of the hole increase the strength

• Do best to avoid side holes to be perpendicular with release direction in molding processing