TECHNOLOGY HIGH SCHOOL – CAD DRAFTING III – 3D CAD TOPICS Solid Primitive Shapes Rev Surv & Revolve Commands Review of 2D Coordinate Systems Extrude & Shell Commands 3D Lofting Through 2D Cross Sections 3D CAD Topics 3D Fillet & Chamfer, Boolean Operations Sweep Command Vocabulary: Parallel vs. Perspective Solid Primitives Plane Surface Command Revolve a Surface Revolve 3D Solid Model Extrude Taper Angle Shell Command Extrusion Pathway 2D Cross Section 3D Chamfer 3D Fillet Boolean Operations Union, Subtract, Intersect Lofting Paper Space vs. Model Space Multiple Viewports Solid Model Using Multiple Viewports Solid Models Documenting 2D & 3D Essential Understandings: Create various solid primitive shapes. Use software to thicken a plane surface. Apply the Revsurf and Revolve commands. Prepare and extrude a closed polyline to create a 3D model. Hollow out a shell from a 3D model. Prepare an extrusion pathway and sweep a 2D cross section. Apply the 3D fillet and 3D chamfer commands Understand and apply Boolean operations: union, subtract, intersect. Prepare multiple 2D cross sections and Loft a 3D solid from them. Understand and apply the concepts of model space vs. paper space. Layout, apply and scale multiple paper space view ports. Compare, contrast and evaluate various methods to document 3D models. Create a virtual solid model from a set of plans and bill of materials. Modify, customize, and improve a virtual solid model.