Jigsaw Puzzle Piece Shapes: A Guide to Their Names

Have you ever wondered about the names of those distinct shapes that fit together to create a jigsaw puzzle? Each piece is unique, and so are their names. Let's delve into the fascinating world of jigsaw puzzle piece shapes and their names.

a puzzle piece is shown with missing pieces

Jigsaw puzzles have been a beloved pastime for centuries, with the first ones dating back to the 1760s. The interlocking pieces we know today were introduced in the 18th century by John Spilsbury, a London-based engraver and mapmaker. Since then, the variety of puzzle pieces has expanded, leading to a rich vocabulary of piece names.

an array of numbers and symbols in the form of squares, which are divided into equal rows

Basic Jigsaw Puzzle Piece Shapes

Before diving into the more complex pieces, let's familiarize ourselves with the basic jigsaw puzzle shapes.

1. **Corner Pieces**: These are the building blocks of any puzzle. They come in various sizes and have two flat sides. The most common are the 45-degree corner pieces, but some puzzles also feature 90-degree corners.

Edge Pieces

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Edge pieces, also known as border pieces, have one flat side and one cut side. They typically form the outer frame of the puzzle.

1. **Straight Edges**: These are the longest edge pieces, usually found at the top and bottom of the puzzle.

2. **Curved Edges**: These pieces have a curved cut side and are often found at the puzzle's corners, creating a smooth, rounded border.

a black and white puzzle piece on a white background

Center Pieces

Center pieces, or interior pieces, have cuts on all sides. They come in a wide variety of shapes and sizes, making them the most challenging to place.

1. **Four-Cut Pieces**: These have cuts on all four sides and are the most common type of center piece.

the word puzzle pieces written in multicolored letters on a white background with four missing pieces

2. **Five-Cut and Six-Cut Pieces**: These pieces have five or six cuts, respectively, and are less common but still essential for completing the puzzle.

Specialty Jigsaw Puzzle Piece Shapes

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a puzzle piece with the words my favorite color and my favorite animal on it's side

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four pieces of wooden puzzle with names and date printed on the side, sitting next to each other

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a black and white puzzle piece with the words together on it's center side

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a puzzle piece is shown in black and white

the outline of a puzzle piece in black and white, with one side missing from it

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Some puzzles feature unique, specialty pieces that add to the challenge and intrigue of the puzzle-solving experience.

1. **Whimsies**: Whimsies are irregularly shaped pieces that often depict objects or characters related to the puzzle's theme. They can be quite challenging to place but are a joy to find.

Irregular Pieces

Irregular pieces have cuts that don't follow a standard pattern. They can be found in various shapes and sizes, adding to the puzzle's complexity.

1. **L-Shaped Pieces**: These pieces have a 90-degree angle and can be found in both edge and center pieces.

2. **Z-Shaped Pieces**: These pieces have a zigzag shape, with two or more 45-degree angles. They can be quite challenging to place but are essential for completing the puzzle.

Overlapping Pieces

Overlapping pieces have cuts that overlap with other pieces, creating a more complex interlocking system.

1. **Sleeves**: Sleeves are thin, elongated pieces that overlap with other pieces, often creating a unique, interlocking pattern.

2. **Pegs and Holes**: These pieces have a small peg that fits into a corresponding hole in another piece, creating a secure, overlapping fit.

Jigsaw puzzle piece shapes and their names are a testament to the ingenuity and creativity behind these beloved pastimes. Each piece, no matter how small or seemingly insignificant, plays a crucial role in completing the puzzle. So, the next time you sit down to solve a jigsaw puzzle, take a moment to appreciate the intricate world of puzzle piece shapes and their names.