Draft are angled faces defined on molded parts to make them easier to remove from molds.

The characteristic elements are :

Pulling direction :- This direction corresponds to the reference from which the draft faces are defined.

Draft angle:- This is the angle that the draft faces makes with the pulling direction .This angle may be defined for each face.

Parting element:-This plane, face or surface cuts the part in two and each portion is drafted according to its previously defined direction.

Neutral element:-This element defines a neutral curve on which the drafted face will lie.this element will remain the same during the draft.The neutral element and parting element may be the same element .