Pick your ink by color
Click the colors that print, or press Auto to split the image into its main colors. Up to 3 logo colors, each its own part and filament.
Mac app · Try it free right here
Drop a logo.
Drop a logo.
Get a keychain.
Drop your logo on the window and download a printable STL in seconds. The Mac app does everything else: multi-color 3MF for Bambu Studio, text, QR codes, batches and more.
Controls work in the Mac app
Ink colors
Trace
Base shape
Drop your logo herePNG, JPG or SVG · or paste it
PNG, JPG and SVG
3MF for Bambu Studio, STL for any slicer
Runs fully offline
$19.99 once, no subscription
The part you'll love most
Opens in Bambu Studio with every color already on its slot.
No painting faces, no splitting objects, no dragging parts around. The 3MF opens as one keychain, and each part is already assigned to its filament.
sunny.png
sunny.3mf · Objects
▾ Keychain
Logo 34
Logo 23
Logo2
Base1
Slots 1–16. Back text, back logo and back QR get their own slots too. Need another slicer? Save a single-object STL.
Auto-clean · 0.4 mm nozzle
Logos come out printable.
Real logos have dust, pinholes and hairlines your nozzle can't draw. Keychain Maker fixes them at the size you'll print, and shows you every change.
Specks removed
Pinholes filled
Lines thickened to 0.8 mm
- One click keeps it. Click any marked fix to put it back the way it was.
- Thin-stroke warnings. Anything still too thin shows red before you print.
- Erase mode. Click a stray piece away, fill a hole, or drag to clear an area.
QR code keychains
Go on, scan this one.
It's a real keychain from the app, and it opens this page. Type a link, pick a square or round plate, and Keychain Maker chooses the biggest module size that fits.
Point your phone camera at it- Logo in the middle, with four error-correction levels.
- Print-safe sizing. Warnings when modules get too small to print well.
- Scan test overlay to check it before you print.
And then some
Both sides. Every color. A whole class of names.
Something on the back
Text, a logo and a QR code, inlaid flush on the underside in their own colors. Mirrored for you, so they read right when you turn it over.
A keychain for every name
Paste a list of names, drop a folder of logos, or map a CSV. They come out the same size and pack onto your bed for you.
Everything else
All the knobs, none of the busywork.
Three trace styles, previewed live
Simple, Balanced or Detailed, with a Smoothing slider to fine-tune. Outlines follow the image's smooth edges, not the pixel grid. SVGs skip tracing and keep their exact outlines.
Base follows your design, or doesn't
Outline, Circle, Hexagon, Square or Rectangle. Set the border, corner radius, thickness and height. Raise the logo or inlay it flush.
Logos in
- Drop, paste or pick PNG, JPG and more
- True vector SVG, no tracing
- Several logos on one keychain
- Invert to print everything but your picks
Text
- 12 bundled fonts that work offline
- Or any font installed on your Mac
- Multi-line, letter height in mm
- Text-only keychains for names
Keyring loop
- Any side, outside or as a hole inside
- Hole size, wall, depth and offset
Preview
- Live 3D, rotate and flip to the back
- 13 filament colors or your own
- Bed-size check for A1 mini, A1/P1/X1, H2D
Workflow
- Presets for your favorite setups
- Full undo and redo, Reset per section
- Last settings restored on reopen
Export
- Multi-color 3MF, slots 1–16
- Single-object STL for any slicer
- Batch as one 3MF or a zip of STLs
Made for your Mac
Works with the Wi-Fi off. Your logos never leave your Mac.
Make keychains at a craft fair, on a plane or in a workshop with no signal. There's no account to create and nothing uploads.
No internet
Tracing, fonts and QR codes all run on your Mac.
No account
Download it and start. No sign-up, no email.
No uploads
Client logos stay private, on your disk.
Apple silicon and Intel
One universal app, native on every Mac.
Price
Try it free. Own it for $19.99.
One purchase, no subscription, no tiers.
Free download
$0
- 5 free exports to print real keychains
- Every tool, every preview, no watermark
- Unlimited previews, presets and undo
Unlock Keychain Maker
$19.99once
- Unlimited exports, 3MF and STL
- Batch: names, folders of logos and CSV
- Restore Purchases on any of your Macs
- An in-app purchase. Unlock whenever you're ready.
Does it need an internet connection?
No. Everything runs on your Mac, fonts included. Nothing is uploaded and there's no account.
Which printers and slicers does it work with?
The multi-color 3MF is made for Bambu Studio, with each part on its filament slot. The STL works in any slicer. The bed check knows the A1 mini, A1, P1, X1 and H2D.
Is it a subscription?
No. The download is free with 5 exports. One $19.99 purchase unlocks unlimited exports and Batch for good.
Does it run on Intel Macs?
Yes. It's a universal app for Apple silicon and Intel.
What if my logo is messy?
Auto-clean removes specks, fills pinholes and thickens hairlines for a 0.4 mm nozzle, then shows you each change. Erase mode handles the rest.
