Drafting and Computer-Aided Design 10, 20, 30

(a)	Manipulate an existing model in a three dimensional (3D) environment.
(b)	Investigate commercial and industrial applications of CAD.
(c)	Explore significance of CAD in the operation of manufacturing equipment (e.g., 3D printer, CNC mill, lathe).
(d)	Create models of objects in a 3D environment.
(e)	Develop prototypes to address specific needs based on selected criteria (e.g., use, quantity, cost) following a standard design process, including: identifying the problem; identifying known variables; identify the solution by producing sketch, 2D drawing, model and prototype; testing and validating the prototype; and, reflecting and making necessary changes.
(f)	Generate sketches of concepts.
(g)	Generate working drawings of models.
(h)	Create 3D objects using available equipment (e.g., 3D printer, CNC mill, lathe).
(i)	Investigate alternatives to materials used in fabricated products.
(j)	Calculate costs associated with producing a designed and fabricated product. Breakdown material list. Efficiency of material (e.g., tensile strength, hardness, pliability, ductility).
(k)	Discuss the advantages and disadvantages of the computer fabrication of products in the context of ethical implications, cost production (single vs mass), and environmental issues.
(l)	Discuss copyright and patent implications of designs.
(m)	Predict future possibilities and implications of fabrication technology.