How to make a custom name keychain
To make a custom name keychain, type the name, pick a font and a style — a solid plate with a hole, or the letters themselves outlined with a ring — then set the size, letter relief, and colors and export a print-ready STL. Print it flat, add a split ring, and you've got a personalized tag in an hour or two. Here's how to get one that looks sharp and holds up on a set of keys.
Two keychain styles
The keychain generator makes two looks, and the choice affects durability:
- Plate with a hole — the name sits on a solid tag with a hole for the ring. It's the sturdiest option and the easiest to print, since the plate backs every letter.
- Outlined letters with a ring — the letters themselves are the keychain, joined together, with a ring on the end. It looks cleaner and lighter, but thin letters and script fonts need care so nothing snaps.
Type the name and pick a font
Enter the name or word (letters, digits, and basic punctuation), then choose a typeface. Bold, chunky fonts print the strongest — especially in the outlined-letters mode, where a thin font leaves fragile connections. Rounded and slab fonts are reliable; delicate script fonts look great on a plate but are riskier as standalone letters.
Size, relief and colors
- Text size — the cap height of the letters. Bigger reads better and prints more robustly.
- Emboss depth — how far the letters rise above the body. A little depth makes the name pop; too much can overhang on tall letters.
- Colors — set the text, body, and (optional) frame colors. On a multi-color printer these export as separate objects so each part prints in its own filament; on a single-extruder printer you can still get two-tone results with a filament change at the right layer.
Frame and ring
An optional raised edge frame (a third color) outlines the tag and adds a finished, badge-like look while stiffening the plate. The hole or ring is sized for a standard split ring or a cord — thread it after printing. Keep the hole a sensible distance from the edge so it doesn't tear out.
Print it
Keychains are quick, forgiving prints:
- Print flat on the bed in PLA or PETG — PETG (or ABS/ASA) shrugs off pockets and drops better, which suits a keychain that gets knocked around.
- No supports needed for a flat tag with raised letters.
- Give a plate enough thickness to feel solid; for outlined letters, make sure letters overlap or connect so the whole thing is one strong piece.
Tips for a keychain that lasts
- Favor bold fonts and connect the letters in script styles so there are no weak necks.
- Round sharp corners slightly — they're comfier in a pocket and less likely to chip.
- Choose a tougher filament (PETG) for everyday keys; PLA is fine for gifts and tags that live indoors.
- Keep the ring hole away from the edge and letters so it can't crack out.
FAQ
Plate or outlined letters — which is stronger?
The plate. A solid tag backs every letter, so nothing is fragile. Outlined letters look sleeker but need bold, connected fonts to stay strong.
Can I make it multi-color without an AMS?
Yes. Export the 3MF for a multi-color printer, or on a single extruder do a filament change at the layer where the letters start for a clean two-tone.
My letters keep breaking off — why?
Usually a thin font in outlined-letters mode. Use a bolder typeface, increase the size, and make sure the letters connect into one piece — or switch to the plate style.
Make it with 3DGEN
Type a name, pick a style, and export a print-ready keychain — free, no sign-up to design, and it all runs in your browser.
Open the keychain generator →