Pattern & Development — A flat pattern that folds into a 3D object is a development; an “intersection drawing” instead depicts the curve/line formed where two solids meet.

Introduction / Context:
In fabrication drawings, “developments” are flat layouts that, when cut and folded, form a 3D part (e.g., a cone frustum). “Intersection drawings” show the locus of points where two solids penetrate, defining intersection curves used for trimming or fitting.

Given Data / Assumptions:

• The statement equates an intersection drawing with a foldable flat pattern.
• Developments are associated with unfoldable shapes (ideally developable surfaces).
• Intersections define curves, not flat patterns.

Concept / Approach:
Terminology matters: a development is a 2D template for building 3D forms; an intersection is a 3D curve projected into views to show where solids meet. They serve different purposes in design and manufacturing.

Step-by-Step Solution:
1) Identify the drawing goal: pattern fabrication vs fit trimming.2) Use development methods for patterns (true lengths, unrolling where possible).3) Use intersection methods to compute and draw intersection curves for mating parts.4) Conclude that calling a development an intersection drawing is incorrect.

Verification / Alternative check:
Review process documents: the sheet that becomes a cone is labeled a development, while elbow pipe fitting lines arise from intersection curves.

Why Other Options Are Wrong:
They conflate distinct drawing types or make blanket statements that ignore standard practice; developments indeed produce 3D forms after folding.

Common Pitfalls:
Using the wrong term in BOMs or notes; mixing methods and causing fabrication errors.

Final Answer:
Incorrect