The question describes a method of pattern making. Creating customized garment patterns by using muslin (an inexpensive fabric often used for toiles or mock-ups) on a dress form (a mannequin representing body shape) involves manipulating and pinning the fabric directly on the 3D form to achieve the desired style and fit. Once the fabric is shaped on the form, it is marked, removed, trued up (lines are perfected), and then used as a basis to create the final paper pattern. This process is known as
Draping. Let's evaluate the options:
- (a) Wrapping: While draping involves wrapping fabric around a form, "wrapping" itself is too general and doesn't specifically describe the pattern making technique.
- (b) Air pinning: This is not a standard term for a pattern making method. Pinning is involved in draping, but "air pinning" is not specific.
- (c) Draping: This is the correct term for creating patterns by shaping fabric (like muslin) directly on a three-dimensional dress form.
- (d) Slash and overlap (or Slash and spread): These are flat pattern making techniques used to alter existing paper patterns by cutting (slashing) and then spreading apart or overlapping the pieces to change shape, add fullness, or create design lines. This is done on a flat surface, not on a dress form with fabric.
Therefore, creating patterns using muslin on a dress form is called
Draping. \[ \boxed{\text{Draping}} \]