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How Many Sides on a 3D Hexagon

Gregory Jul 05, 2026

When people ask how many sides on a 3d hexagon, they are often picturing the familiar flat shape with six equal edges and then wondering how that translates into three dimensions.

a diagram showing the area and perimeter of a pentagon
a diagram showing the area and perimeter of a pentagon

A 3d hexagon is not a single rigid object like a cube, because the rules that define a flat hexagon do not automatically create a closed polyhedron just by lifting into space.

Hexalong 270711a
Hexalong 270711a

Understanding the Two Different Questions

To answer how many sides on a 3d hexagon, it helps to split the question into two perspectives: one based on extending the concept of a hexagon into 3d space, and one based on the faces of a polyhedron that might be associated with the name.

Hexagon Calculator
Hexagon Calculator

In the first view, you keep the idea of a hexagonal structure where each ring or level has six sides, but the connections between levels add new surfaces and edges.

Planar Logic Extended into Three Dimensions

10 Area common to three squares inside the regular hexagon
10 Area common to three squares inside the regular hexagon

A flat hexagon has six straight sides and six corners, all lying on one plane, and this 2d property is the starting point for any 3d interpretation.

When you try to stack or bend this shape into three dimensions, you are essentially creating a prism or an object where the original six edges run parallel along different heights, forming side faces between them.

Counting the Edges and Vertices in a 3d Hexagonal Form

the diagram shows how to make a hexagonal pentagon with woodworking tools and measurements
the diagram shows how to make a hexagonal pentagon with woodworking tools and measurements

A hexagonal prism, which is the most natural 3d shape linked to a hexagon, has 18 edges in total, with 6 edges on the top hexagon, 6 on the bottom hexagon, and 6 vertical edges connecting them.

It also has 12 vertices, split evenly between the top and bottom faces, and this specific arrangement of edges and vertices is what gives the prism its straight, symmetrical form in three dimensions.

Faces of a Polyhedron Associated with Hexagons

Hexagon Star Quilt – Tutorial
Hexagon Star Quilt – Tutorial

Another way to interpret how many sides on a 3d hexagon is to look at common polyhedra that include hexagonal faces, such as truncated octahedrons or certain types of dice used in games and mathematics.

In these shapes, a regular hexagon may appear as one of the flat surfaces, but the overall polyhedron will have a mix of hexagonal and other polygonal faces that together define its total number of sides.

the diagram shows how to cut and fold paper
the diagram shows how to cut and fold paper
three hexagonals are shown with the same height and width for each one
three hexagonals are shown with the same height and width for each one
Hexagon Shape - Sides of Hexagon | Regular Hexagon | Angles of Hexagon
Hexagon Shape - Sides of Hexagon | Regular Hexagon | Angles of Hexagon
the corner and miter angle are shown with measurements
the corner and miter angle are shown with measurements
Machine Sewing Hexagons...Half Hexies That Is
Machine Sewing Hexagons...Half Hexies That Is
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Origami Hexagonal Gift Box Tutorial - Paper Kawaii
Basis 2D & 3D Geometry & Shapes Formulas - PDF Download
Basis 2D & 3D Geometry & Shapes Formulas - PDF Download
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Geometrie
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DIY hexagonal prism pull-up net. Easy stem project #3dshapes #math #mathteacher #stem #tutorial #diy
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a blue and white hexagonal design on a white background
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how to make an origami hexagonal shape with scissors and paper strips
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2.6a-Simpler method to draw a regular Pentagon or a Hexagon. Also applicable to any regular polygon
2.6a-Simpler method to draw a regular Pentagon or a Hexagon. Also applicable to any regular polygon
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Hexagonal self asembly and Die-cut Pattern. The .eps file is full scale and fully functional. Prepared for real cardboard production. Stock Vector | Adobe Stock
EXÁGONOS 04
EXÁGONOS 04
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3d Shape Folding Template, 3d Shape Templates Free Printable, Printable 3d Shapes Templates, Printable Hexagonal Prism, Hexagonal Prism Template, 3d Geometric Pyramid With Measurements, Icosahedron 3d Printable, 3d Shapes Templates, 3d Geometric Shapes Printable
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Quick reference miter angles
Quick reference miter angles
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an origami hexagonal prism is shown in the shape of a pentagon
an origami hexagonal prism is shown in the shape of a pentagon

Truncated Octahedron and Its Six Square and Eight Hexagonal Faces

The truncated octahedron is a well known Archimedean solid that has 14 total faces, including 6 square faces and 8 regular hexagonal faces.

Each vertex in this structure is where one square and two hexagons meet, creating a highly symmetrical arrangement that appears in chemistry and architecture when a hexagonal pattern needs to fill space efficiently.

Hexagonal Faces in Soccer Balls and Carbon Structures

Perhaps the most familiar example outside of geometry class is the pattern on a traditional soccer ball, which is made of 12 regular pentagons and 20 regular hexagons.

In chemistry, the carbon atoms in graphene or in certain molecules like boron nitride arrange themselves in repeating hexagonal rings, showing how the idea of a 3d arrangement built from flat six sided cells can describe real world structures.

Clarifying the Meaning of Sides in Three Dimensions

In everyday language, sides on a 3d object usually refers to faces, the flat surfaces you can see when the shape is solid, rather than the line segments where two faces meet.

Mathematicians and engineers, however, may use the term sides to describe edges, leading to potential confusion if the context is not clear when discussing how many sides on a 3d hexagon based models.

Practical Examples and Visualizing the Count

Imagine a beehive, where each cell is a perfect hexagonal prism, and you can see that the opening at the top and bottom acts as a hexagonal face surrounded by six rectangular side faces.

If you stack multiple layers of these cells in three dimensions, the overall structure still relies on the basic property that a single layer has six sides around a central void, demonstrating how the 2d concept scales into complex 3d systems.

Understanding how geometry translates from flat shapes to solid forms helps clarify why there is no single answer to how many sides on a 3d hexagon without specifying the exact structure you are describing.