ECMA F40.05.00.00.22

Triangular Wedge Box

The Triangular Wedge Box is a one-piece carton built for slice-based and wedge-shaped products. Unlike standard clamshells, this carton hinges at the narrow point. This allows the wide, curved back panel to open completely, so slices can be loaded crust-first without damaging the delicate tip.

Matching the footprint of a slice prevents the product from sliding during transit and reduces the wasted space of a square box. Delivered flat, it folds around the product and secures at the wide end with a tuck flap.

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  • Available in a wide variety of configurations.

At a glance

  • One-piece folding clamshell
  • Hinged at the narrow front point
  • Curved wide back for loading access

Common uses

  • Bakery slices (pie, cake, quiche)
  • Gourmet cheese wedges
  • Triangular sandwiches
  • Novelty cosmetics or gifts

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Product fits for the point-hinged wedge box

Bakery and pie slices

Fits individual slices of pie, cake, or quiche. The point-hinge design lets staff slide the slice in from the wide end, protecting the front tip from being crushed during packing.

Gourmet cheese and deli wedges

Provides a clean retail presentation for wedge-cut cheeses. The wide top panel offers a continuous surface for branding and labeling.

Triangular sandwiches and wraps

Useful for cafes and grab-and-go counters packing halved sandwiches. The shape holds the ingredients together while displaying the cut edge if a window is added.

Novelty retail and cosmetics

Used for uniquely shaped gifts, cosmetic sets, or promotional items where a standard rectangular box would leave too much empty space.

Takeout, bakery, and retail environments

Takeout and fast casual

The one-piece construction means staff do not have to search for separate lids and bases. The box stores flat under the counter and folds around the product quickly.

Retail display cases

The flat top panel and wide curved back provide continuous surfaces for graphics, making it easy to stack or display wedge products on bakery shelves or deli counters.

Event catering and corporate lunches

Individual wedge boxes allow for easy distribution of single portions without cross-contamination, while the flat top supports stable stacking in delivery crates.

When to compare standard rectangular cartons

Packing multiple slices together

If you frequently sell half-pies or whole pies, a standard square bakery box or a larger circular tray is often more practical than packing multiple individual wedges.

Products with high liquid content

While the board can be coated for grease resistance, the folded corners are not watertight. Very wet products might be better suited for a sealed plastic container.

Board, coating, and closure decisions

Food-safe coatings

If packing baked goods or cheese, check whether the inside needs a poly-coating or grease-resistant barrier to prevent oils from soaking through the board.

Wedge angle and depth

The template is usually scaled to match the specific product. A deep-dish pie slice often needs taller side walls than a thin slice of tart.

Packing labor

Because this is a folding carton delivered flat, factor in the brief manual folding time to erect the side walls and tuck the closure for each order.

Closure security

The curved back closure can be designed with a simple friction tuck or a more secure tab-and-slot lock, depending on the weight of the product and the handling route.

Adjusting the wedge profile and display features

Customizing the curve and angle

The wide curved back and the overall depth can be scaled to match the exact radius and cut angle of specific pie or cake pans.

Window cutouts

A clear film window can be added to the top lid panel, allowing customers to see the frosting, toppings, or product details without opening the box.

Ventilation cuts

For hot items like quiche or toasted sandwiches, small ventilation holes can be added to the side walls to let steam escape and prevent the crust from becoming soggy.

Board and packing details

Print panel continuity

The narrow hinge connects the base directly to the lid. This allows for continuous artwork that wraps from the bottom, through the point, and across the top of the box.

Closure and wall variations

Wide-end tuck variations

The curved back closure can be designed with a simple friction tuck or a more secure tab-and-slot lock depending on the weight of the product.

Additional notes

Stacking and display stability

The flat top and straight side walls allow these boxes to be stacked neatly in deli cases or bakery displays, presenting a clean, uniform front to the customer.

FAQs

Product Fit

Can this box be adjusted for different slice sizes?

Yes. The template's angle and wall height can be scaled to fit anything from a narrow, tall cake slice to a wide, shallow tart wedge.

Materials

Is this box safe for direct food contact?

The folding carton board can be specified with food-safe, grease-resistant, or poly-coated linings to handle butter, oils, and moisture from baked goods or cheeses.

Assembly

Does this box require glue or tape to assemble?

No. It is a one-piece folding carton. The side walls fold up and the lid folds over, securing at the wide curved end with a tuck flap. No external adhesives are needed.

Shipping and Storage

How is this box delivered?

It is delivered completely flat. This minimizes shipping costs and requires very little storage space behind a bakery counter or in a retail stockroom.

Print and Branding

Where can graphics be printed on this box?

Because it is cut from a single flat sheet, you can print on the entire exterior surface, including the top lid, the curved back wall, and the bottom base.

Comparison

Should I use this instead of a square box for pie slices?

A wedge box prevents the slice from sliding around and damaging its crust or point. It also uses less material and takes up less space than putting a triangular slice in a square box.

Product Fit

Can this box hold hot food items?

Yes, but if you are packing hot items like quiche, you may want to add ventilation cuts to the design to let steam escape and keep the pastry crisp.

Assembly

How does the point-hinge help with packing?

Because the hinge is at the narrow front tip, the wide back of the box opens completely. This lets staff slide a slice in crust-first, rather than dropping it in from above and risking damage to the delicate point.

A precise fit for slices and wedges. Compare board coatings and sizing to configure the right triangular carton for your product.

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