Name a real-world object that has a top view of a triangle, and a side and front view that are each triangles.

We are asked to find a real-world example of an object that has a triangular view from top, front and side.

Any example of a triangular pyramid will do. There are many buildings with this shape like the proposed triangle tower in Paris. (The top view is closer to trapezoidal.)

The spikes the police use to stop cars are the skeleton of a triangular pyramid.

The reuleaux polyhedron (each face is a reuleaux triangle) is another example.

There are three sided tents (with a triangular base) that fit this description also.