Descriptive Geometry: Cones and Cylinders

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Explores tangent planes to cones and cylinders, parallel and perpendicular to given directions.

Explores spheres, cones, and cylinders, including intersections, ruled surfaces, and conic sections with practical examples.

Explains the geometric definitions of cones and cylinders in space and their tangent properties.

Explores the differential geometry of parametric surfaces, covering tangent space, normal curvature, principal curvatures, and asymptotic curves.

Explores surfaces, curvature, ruled surfaces, and practical applications in geometry.

Explains tangent planes on cones and cylinders, contours apparent, and shadows cast by surfaces.

Explores the basics of Geometric Descriptive, emphasizing shadows and perspective in 2D and 3D.

Explores curves with Poritsky property, Birkhoff integrability, and Liouville nets in billiards.

Explains closed surfaces like spheres, cubes, and cones without covers, and their traversal and removal of edges.

Explores the construction of elliptical arches using a single ellipse arc.