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alpaco.it TCG Deck Box Generator

Card deck boxes sized to your sleeves and card count, with a slide, cap or magnet lid

alpaco.it TCG Deck Box Generator is a free browser tool for card players who want a box that fits their exact sleeved deck. Free with no account; the site asks for optional Buy Me a Coffee tips. Exports STL and 3MF. Last checked 26 September 2026.

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At a glance

Price: Free with no account; the site asks for optional Buy Me a Coffee tips
Runs on: Browser
Exports: STL, 3MF
Multicolor: No, single color
Account: Not needed
Open source: No
Skill level: Beginner: fill in a form
Best for: Card players who want a box that fits their exact sleeved deck
Selling prints: Allowed The terms say generated models may be used for any purpose, including selling the prints, with no attribution required
How we checked: Opened the generator Form loads without an account: 4 presets, 5 sleeve types, 10 to 150 cards, slide, cap or magnet lid, live section view
Last checked: 26 September 2026

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Sources: TCG Deck Box Generator, alpaco.it Terms of Use, alpaco.it homepage (How it works) (checked 26 September 2026)

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About this generator

alpaco.it TCG Deck Box Generator is a free browser tool that sizes a two-part deck box to your sleeves and card count, for games like Magic, Pokémon and Yu-Gi-Oh. You pick unsleeved, penny, standard, double or the smaller Japanese sleeves, type a card count between 10 and 150 and set how much finger room you want. The inside of the box is worked out from those numbers, so there is nothing to measure.

There are three lids. The slide lid runs in side rails and prints flat, the cap snaps over two small ridges, and the magnet version is a cap with pockets for four 5 x 2 mm disc magnets that you glue in. Wall and floor thickness can be changed, the box and lid each get their own color, and four presets cover a 100-card Commander deck, a 60-card deck, a 45-card Yu-Gi-Oh deck and a 15-card sideboard. A section view shows the card stack inside the box before you download.

The download is a ZIP with an STL for each part and a 3MF that carries the colors and print notes. Neither part needs supports and no account is asked for. It is one of 36 free generators on alpaco.it, a one-person site that launched in August 2026 and builds every model on the owner's own server.

What you can make

Commander deck boxes
60-card deck boxes
Yu-Gi-Oh deck boxes
Sideboard boxes
Magnetic lid deck boxes

How to use alpaco.it TCG Deck Box Generator

Pick a preset or choose your sleeve type and card count
Choose a slide, cap or magnet lid and adjust the walls if you like
Check the section view and the box size
Download the ZIP and slice the box and lid

What you'll need to print it

Filament and parts that suit what you make with alpaco.it TCG Deck Box Generator.

6 x 2 mm magnets

Multicolor PLA

Matte PLA

Also handy

Print removal and cleanup tools

Bambu Lab Print Finishing Kit Bambu Lab
Bambu Lab Maker's Supply ESD Stainless Steel Tweezers Set Bambu Lab

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alpaco.it TCG Deck Box Generator pros

Inner size is worked out from sleeve type and card count, so there is nothing to measure
Slide, cap or magnet lid, and the magnet cap has pockets for four 5 x 2 mm disc magnets
The terms let you sell prints of the boxes, with no attribution needed

alpaco.it TCG Deck Box Generator cons

A new one-person site that builds every model on the owner's own machine, with no uptime promise
One deck per box, with no dividers, lid text or display window
The cap fit can need a small scale tweak in the slicer (99.5% or 100.5%)