What Are the Parts of a Puzzle Piece Called?

If you’ve ever sat down to put together puzzles, you know how satisfying it is to find just the right piece that clicks into place. But have you ever stopped to wonder what those little shapes are actually called? You know—the parts that stick out and the ones that tuck in? Most puzzlers come up with their own terminology based on the shape of the piece (I know I do).

Turns out, there’s a whole bit of puzzle lingo behind those familiar interlocking shapes, and once you know the names, it makes puzzling even more fun to talk.

Tabs and Blanks: The Basics

According to multiple puzzle manufacturers, such as Buffalo Games, the most common names for the parts of a puzzle piece are tabs and blanks.

• Tab: the part that sticks out—the little knob you push into another piece.
• Blank: (also called a socket or hole) the space where the tab fits.

Each piece usually has a mix of tabs and blanks. When you're trying to put together puzzles, recognizing these shapes becomes second nature.

Edges and Corners: The VIPs of Puzzling

Edge pieces have one or two flat sides, and corner pieces have two flat edges. These are great for building the border of your puzzle and getting off to a strong start. 

Beyond the Basics: Specialty Cuts

Some puzzles feature whimsical or random cut pieces with unique or curved shapes. Puzzle Warehouse carries lots of fun options with both classic and creative designs. There is a whole separate blog about random cut pieces which you may find very helpful!

In Summary

The main parts of a puzzle piece are tabs and blanks. But let's be real, many will just say, "I just need the piece with three thing a ma-bobs with a little boot that has a white tip."