This bundle brings together four essential resources for geometry, art, technical drawing, and STEM lessons. Each material is designed to be projected, printed, or customized, ensuring clarity, structure, and classroom-ready quality. 1. Dihedral Orthographic Cylindrical Projection — Step-by-Step GuideIncludes: • 19-page PDF, ready to project. • Fully customizable PPTX. • Short guide to build the 3D model. • Template in two versions: • Full-color for projection. • Printable version for han