Card Game Design: Key Manufacturing Considerations

Published June 5, 2026

How to Bleed – Part 3 of 7

By Jeff Zwirek, Director of Operations at PrintNinja
Roots - A Game of Inventing Words - shown in its custom two-piece box with the lid lifted to reveal the cards stacked inside
You’ve designed every card. The art is done, the rules are tight. But the deck – the physical object – still has decisions waiting for you.
In this post:
In Part Two we walked through book design – interiors, covers, spines, endsheets, the whole physical object. Now it’s the card-game creator’s turn. You may have your card art completely sorted out. The mechanics work. The deck is balanced. You feel done. But you aren’t done, are you? What’s the box look like? How thick is it? Does it have a thumbcut? Where do the rules go? Does your game have dice? An insert? A meeple? Each one is a decision – and each one is easier to make before you finalize the rest of the design than after.
01 – The Card Game Checklist

What a Finished Card Game Needs

Before we get into the design pitfalls, here’s what you’re actually delivering to your printer when you produce a card game. It’s a shorter list than a book, but each piece carries its own set of gotchas.

What you’ll deliver

Card game – design checklist

Hand-drawn sketch labeled 'Cards Fronts & Backs' showing a fanned stack of blue card fronts beside a fanned stack of red diamond-pattern card backs
Cards (Fronts & Backs)
Hand-drawn sketch labeled 'Tuckbox' showing a yellow tuckbox with the flap open and a red diamond-patterned card visible inside
Tuckbox
Hand-drawn sketch labeled '2-Piece Box' showing a yellow two-piece box with the top set beside the bottom tray and a card face visible on the lid
Two-Piece Box
Hand-drawn sketch labeled 'Instructions' showing a multi-panel accordion-folded sheet with placeholder shapes and color marks
Instructions
That’s the whole bill of materials for most card games:
  1. Cards – fronts and backs, sized for poker, tarot, bridge, or whatever your trim happens to be.
  2. Packaging – either a traditional tuckbox or, for thicker decks, a two-piece box.
  3. Instructions – and the format depends entirely on how much explanation your game actually needs.
Each of those gets its own section below. Let’s start with the one design mistake we see trip people up more than any other.
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02 – The Border Trap

Why Thin Borders Almost Always Look Wrong

The same bleed and margin issues from Part Two apply to card games just the same as they do to books. Most card games utilize full bleed, and even with a border on every card, you are technically still using full bleed.

Card real estate is valuable territory, so it’s common for people to want a very thin border around the edge of the card. They’ll design with an eighth-inch (0.125″) border. Visually, on screen, it looks great. So what’s wrong with that? Design-wise, nothing. But in a manufactured product that has to account for printing and trimming variance – the same variance we talked about with books – that means even if your card is trimmed off-center by the normal amount (about 2 millimeters) your border will end up with a thicker edge on one side and a tiny edge on the other.
Card setup diagram with three labeled zones: a dashed blue bleed line at the outer edge, a trim line just inside it where the card will be cut, and an inner safe area where all important content must stay
Three lines on every card file: the bleed line (artwork extends here), the trim line (where the cut happens), and the safe area (where everything important has to stay).
Side-by-side macro photograph of two cards with the same compass-rose artwork: the left card has an approved uniform 0.125 inch border; the right card has the same border but printed unevenly because of trim variance, visibly thicker on the bottom edge and almost gone on the top
Same artwork, same print run. The left card landed dead-center; the right card shifted about 2 mm during trim. A 0.125″ border can’t survive that – and the eye notices immediately.
That kind of defeats the purpose of the nice uniform border you designed in the first place. So how do you get around it? You can’t eliminate variance. The reason you don’t see this issue on the Pokémons and Magic: The Gatherings of the world is scale. Those companies produce millions and millions of cards on much larger, more robust equipment that reduces the effects of variance. They also produce huge overruns to allow for quality control that catches the most egregious issues before they ship.
You can’t eliminate variance – but you can design around it.
Since most (if not all) independent game makers can’t produce in those quantities, you’ll be working with printing partners that use equipment better suited to shorter runs. Those machines are more flexible (and much cheaper than the mega alternatives), but they’ll display larger variance. We have a couple of great videos on our website showing both the trimming and die-cut corner-rounding process for cards if you want an inside look. But back to the topic at hand – how do you avoid the uneven-borders issue? Essentially:
  1. Design your cards without borders, or
  2. Make the border thicker. A wider border absorbs the variance – a 2 mm shift on a quarter-inch border is barely noticeable. A 2 mm shift on a 0.125″ border is obvious.
Much like borders, any text or images you put on the card should stay within the safe area. That safe area will be displayed for you in your proof, so you’ll catch any issues on the electronic proof before going into production. For our card samples, we purposely used a thin border on the fronts and backs so you can see what this looks like in reality. If you have one of our samples, look closely at each card and judge for yourself whether the variance is small enough for you to tolerate.
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03 – Tuckbox

Designing a Tuckbox

You probably already have thoughts about your packaging design. After all, this is the only thing a customer will see of your game if it’s sitting on a shelf in a retail setting.

Based on how many cards you’re producing, you’ll have the option of a traditional tuckbox (the kind of box you get with a poker deck) or a two-piece box.
Side-by-side product photo: a small tuckbox labeled '14-110 Cards' next to a larger two-piece box labeled '50+ Cards'
Card count drives the format. Tuckboxes work up to about 110 cards; once you get heavier than that, you’ll need a two-piece box for structural integrity.
We provide templates for your tuckbox because they have to be manufactured to a specific style to assemble correctly. The template displays all the parts of your box as a flat, oddly-shaped pattern. It contains every flap that gets glued or folded to form the final box. Some of those flaps are hidden by the glue or folded inside the box, but you’ll need design elements for all the visible areas.
PrintNinja tuckbox print template showing the box laid flat with every panel labeled: Top, Bottom, Left Side, Right Side, Front, Back, Foldover Areas, and Glue Area, plus a legend identifying the Bleed Line, Trim Line, Safe Zone, and Score Line
Our tuckbox template lays the entire box flat with every panel labeled. The Foldover, Glue, and Score zones are construction – every visible panel needs artwork.
If your game has a lot of cards, you’ll have a thicker tuckbox, so plan to design for that extra space. There’s also a limit to how many cards a tuckbox can hold. The minimums and maximums of your tuckbox will be displayed on our calculator when you input the card style and card count. If your card count exceeds the tuckbox allowance, you’ll need to go up to a two-piece box. This isn’t arbitrary – once a tuckbox gets too large, the integrity of the box is at risk from the weight of the cards inside.

An alternative: the side-by-side tuckbox

Maybe you don’t want an overly thick tuckbox. Or maybe you just have too many cards for a traditional one. In those instances, a side-by-side tuckbox might be the perfect solution. It lets you store two stacks of cards in a wider, shallower box. The overall thickness drops, and it can be a more attractive option on a retail shelf.
Photograph of a 'Tiny Library' side-by-side tuckbox open to show two parallel stacks of cards inside instead of a single stack
Side-by-side tuckboxes hold two stacks instead of one – thinner front-to-back, wider side-to-side, easier to shelve.
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04 – Two-Piece Box

Designing a Two-Piece Box

We have templates for all of your two-piece box needs as well, but these are made custom for every order, so the template gets provided after you place the order. The template will display both the top and bottom of your box.

Don’t forget that there’s an inside and an outside to your box. You can leave the interior blank, but it can also be printed on – so think about how that might be advantageous for your game. Just like a hardcover book, there are foldover areas on a two-piece box. This is the area of the design that wraps over the rigid chipboard and gets glued to the inside of the box. It lets your design exist beyond the edge of the box and avoids the awkward thin white line where your design otherwise ends. The top of your box will telescope down onto the bottom (you can see this on the Roots game at the top of this post), leaving portions of the bottom’s sides obscured. Still, if there’s information or design elements you’d like to include on the bottom, bear in mind that players often play with the box open.

Thumbcuts: please include them

Think about including thumbcuts in your top box design. Have you ever struggled to pull the bottom of a box away from the top? The fit can be so tight that if the weight of the elements inside doesn’t help push the bottom out, it can be downright impossible to separate the two pieces. A thumbcut – that small semicircular notch you can see on the lid of the Roots game in the hero photo above – solves this. It gives you a place to grip the bottom while pulling on the top.

Closures and other options

There are a lot of options for customizing your two-piece box. Magnetic closures. Asymmetrical dimensions where the top and bottom are different heights, leaving portions of the bottom exposed even when fully closed. Each one is a real decision that affects unboxing, shelf presence, and cost.
Photograph of a purple two-piece box with a magnetic-closure lid open to about 90 degrees, showing the printed lining inside the lid and a card visible in the bottom tray
Magnetic closures add a satisfying snap to the unboxing – and a noticeable bump to the unit cost.
Figuring out which elements you want in the final product as early as possible will reduce how much time you spend reworking your designs later.
Pricing a card game? Get a quote in two minutes. Quote a card game →
· · ·
05 – Instructions

Where to Put the Rules

There are a lot of options for instructions, so figuring out your format first helps sort out the rest. If you have a complex game with a lot of explaining to do, you’ll want something closer to a booklet. If your game is straightforward, your instructions might just fit on the box.

Here’s the quick list of formats:
  1. Booklet
  2. Folded sheet
  3. Accordion fold
  4. On an additional card
  5. On the box itself
You’ll save the most money by printing your instructions on a card or directly on the box, so keep that in mind. In many cases, one extra card costs you nothing extra at all – it’s a fantastic value option. People also generally expect to find rules on the box, so if your game explains simply enough, this is a very common execution.

Booklets

A booklet follows all the same requirements as the saddle-stitch section in Part Two. The only differences here are usually a smaller page count and smaller dimensions. The booklet needs to fit inside the box, which means you’re working with as little as a 2.5″ × 3.5″ piece of art. Don’t make any of your type too small. You’re better off opting for more pages than trying to cram too much information into a tiny space.

Folded sheets

Folded sheets are easy. You design a front and a back, and the sheet gets folded down small enough to fit inside the box. Same bleed rules as everything else.

Accordion folds

Finally, accordions are a unique layout that requires different file prep. They’re folded down to fit inside the box like a folded sheet, so it might seem like the same setup – but you actually need to design this as a very long, short sheet of paper, and you design to the unfolded sheet. Set up margins in your document to mark where the folds will be, then respect them. You don’t want to look like an amateur, and bad margins are a sure sign of a newbie.
Reference grid of four instruction-format examples labeled 'On Card or Box', 'Booklet', 'Accordion', and 'Folded Sheet', each showing a real product example
Four formats, four price points. From cheapest to most flexible: on a card or the box, a folded sheet, an accordion, a full booklet.
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06 – Oddballs

Dice, Inserts, Meeples, and Other Oddballs

The only other items to consider when finalizing your designs are the unique elements in your card game that aren’t cards.

Does your game have dice? A plastic insert in your two-piece box? Punch-outs? A meeple?
Photograph of five custom wooden game-piece meeples lined up: a stone-gargoyle figure, a robed character with a sword, a golden phoenix, a turtle, and a black ninja
Custom meeples, dice, plastic inserts, punch-outs – every non-card component comes with its own submission requirements. Ask before you design.
There are a lot of options out there, but before you design for any of these elements, check in with your print provider on what they actually offer. For example, say you need dice. Can your print provider get you any style? Maybe you want an eight-sided die with custom numerals on each face. Can you get that? If so, how do you need to submit the files? If you have an organizer insert in your box, will it be plastic or cardboard? How many sections does it need to be split into? Sometimes designing elements like this is as simple as a drawn diagram that the production facility can reference when they’re manufacturing the item. Sometimes it’s a much more involved submission. The only way to know is to ask.
· · ·

The 30-second recap

Designing the whole card game – by component

Cards

Pieces
Fronts and backs, full-bleed
Borders
No border, or a thick one – never thin
Top gotcha
A 2 mm trim shift wrecks a thin 0.125″ border

Packaging

Tuckbox
Free template. Up to ~110 cards.
Two-piece
Custom template. 0.9″ foldover.
Top gotcha
Include thumbcuts, or fight the box every time

Instructions

Cheapest
On the box or on a card (often free)
Roomiest
Booklet (mind the 2.5″×3.5″ footprint)
Top gotcha
Accordions design unfolded – respect folds

Frequently Asked Questions

Why do thin borders look uneven on my finished cards?

Because every card in a print run is trimmed with some amount of variance – typically up to about 2 millimeters off-center. If your border is only 0.125″ (about 3 mm) wide, a 2 mm shift means one side of the border is almost gone while the other side is doubled. The fix is to design without a border or with a wider one – wide enough that a couple of millimeters of variance disappears into the line weight instead of swallowing it.

When do I need a two-piece box instead of a tuckbox?

When your card count exceeds the tuckbox limit shown on our calculator, or when the deck gets thick enough that the tuckbox’s structural integrity is at risk from the weight of the cards inside. A two-piece box is also the right call if you want a more premium retail presence, a custom insert, or a magnetic closure.

Where should I put the rules?

Match the format to the complexity. If your game can be explained in a few sentences, print it on the box or on a single extra card – that’s often the cheapest option (one extra card frequently costs nothing). If you need real space, a folded sheet or accordion fold keeps things compact. For genuinely complex games, use a booklet – but remember it has to fit inside the box, so you may be designing as small as 2.5″ × 3.5″.

Can I include dice, inserts, or meeples in my game?

Usually yes – but the available options and submission requirements vary by print provider, so ask before you start designing. Some components are as simple as a drawn diagram you submit alongside your card files. Others (custom dice with non-standard numbering, custom plastic inserts) require very specific file formats. Don’t assume; check first.

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Next time we’ll dig into paper and materials – which stocks make sense for which projects, and how much your paper choice actually affects how your finished piece feels in someone’s hands. → Part 4: Choosing Your Paper and Materials (coming soon)
Jeff Zwirek, Director of Operations at PrintNinja

Jeff Zwirek is the Director of Operations for PrintNinja. “Having been involved in retailing, comics making, self-publishing, creating conventions, working in, and running a printing company, I’ve learned a lot. The best part of PrintNinja is when we get to help someone get their dream project across the finish line. To help them get that creative life out into the world and speak their vision to other like-minded souls.”

The complete series

How to Bleed: Tips and Tricks for Self-Publishers

  1. 1Know Your Quantity
  2. 2Think About Book Design
  3. 3Designing Your Card Game and Packaging– you are here
  4. 4Choosing Your Paper and Materials
  5. 5Understanding Binding Options
  6. 6Preparing Your Files for Print
  7. 7Shipping and Fulfillment

Setup specs reflect PrintNinja’s current production standards. Always check our setup guides for the most up-to-date dimensions before submitting files.