Oblique Cylinder Construction in 3D Geometry

① This example demonstrates how to construct an oblique cylinder in GeoGebra, where the lateral surface is not perpendicular to the base, showing its 3D spatial form. ② Core mathematical concepts include solid geometry definitions of cylinders, generation of oblique cylinders by translating a base circle along a non-perpendicular direction, and intersection relationships among points, lines, and surfaces in space. ③ Construction highlights: from the construction summary, commands such as Intersect, Point, Cylinder, and Surface are used, with objects A, B, a, c, d, b, R, C, D, e defined; R likely denotes radius, while C and D are key points used to define the cylinder via intersections or surface generation. ④ Suitable for high school or early college students learning solid geometry and spatial visualization, as well as for math teachers creating 3D geometry demonstrations to help students intuitively distinguish oblique cylinders from right cylinders.