Identify the object in the image and the type of diagram it represents.

Analysis:

The image displays a technical drawing enclosed in a plastic bag. The drawing is a geometric shape with various features such as circles and rectangular cutouts, overlaid on a grid. The text at the top of the drawing reads 'Вариант № 17', which translates to 'Variant No. 17'.

The object depicted is a technical drawing or a blueprint.

The type of diagram represented is a schematic diagram or an orthographic projection, showing the shape and dimensions of a part, likely for engineering or design purposes, presented on a grid for scale reference.

Ответ: Технический чертеж (Technical drawing); Схематический чертеж (Schematic diagram) / Ортографическая проекция (Orthographic projection).