A closer look at your next idea

Keychain Generator

Add a printable keychain ring to a 3D model. Place the attachment, shape the ring and extend the model’s colors before downloading.

Made for desktops and laptops

On phones and tablets, you can explore the tools and read their guides. Uploading, editing, generating and exporting require a desktop or laptop.

See how it works Save this tool

Inside the tool1 / 4

Inspect a keychain attachment on a dragon model

Real screenshots from Printooly. Select an image for a closer look.

What you start with

GLB, glTF, STL, OBJ or 3MF models, up to 100 MB.

What you get

A joined model as GLB with colors or STL geometry without colors. Uploading a 3MF also enables 3MF download.

Your starting point

How it works

From your first idea to your next step.

Upload a 3D model and set its finished size.
Place the keychain attachment along the silhouette or at a point on the surface.
Choose the ring dimensions, edge finishes and colors.
Generate the joined model, inspect it and download GLB or STL. For 3MF uploads, you can also download 3MF.

Free core tool

Access and pricing

Free to use and download. No account or Printooly credits required.

Before you finish

Check the ring’s thickness, hole clearance, connection and final size in your slicer before printing. Printed color gradients depend on your slicer and printer; assign filaments in your slicer. Original printer settings are not included in 3MF downloads.