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Hey 3D printing fam! Last time I shared a guide on turning free models into keychains with Creality Print, but shoutout to the community for pointing out an even simpler method: skipping the tab-and-hole combo and directly adding a ring-shaped primitive to your model. No need for negative volumes or extra cuts—just right-click and add a torus (that's the ring-looking one you mentioned!). This is way quicker and gives a seamless, sturdy loop for your keyring. Perfect for modern printers like the Creality K1 Max, which handles fine details like a champ.

I've refined the process based on this tip, tested on my K1 Max with Creality Print v6.2 (or whatever the latest is—always update for new features). This works for any free STL from sites like Thingiverse or Printables. Total design time: Under 20 minutes, print time: 15-30 minutes. Let's get into it!

#### What You'll Need
- *Software*: Creality Print (free from creality.com). It has awesome built-in modeling tools like primitives for easy additions.
- *3D Model*: Free-to-use STL, e.g., public domain or CC-licensed. Simple shapes like icons or minis work best.

- *Hardware*: A Creality printer—I'm using the K1 Max for its enclosed build and auto-leveling. PLA filament is ideal; keyring for finishing.
- *Optional*: Sandpaper, paints, or multi-material setup if your printer supports it (K1 Max does with AMS).

Pro Tip: The K1 Max's high-flow nozzle and linear rails make printing small, detailed keychains crisp—way better than older bedslingers for this.

#### Step 1: Source Your Free 3D Model
- Browse free libraries:
- Thingiverse: Search "keychain model" or specifics like "dragon keychain."
- Creality Cloud: Integrated with the software for one-click imports.
- Ensure it's free for personal use—no commercial restrictions.
here is a free to use model to start with
https://www.crealitycloud.com/model-detail/3d-benchy?source=22

Download the STL. If it's not keychain-sized, we'll scale it next.

#### Step 2: Set Up Creality Print and Import
- Launch Creality Print and select your printer profile (K1 Max for me).
- Import your STL: Drag-and-drop or click "Import."
- Orient and scale: Rotate to flat on the bed (Z-up). Scale to 30-60mm wide, 2-4mm thick for portability and strength.

Use the scale tool for precise adjustments.

#### Step 3: Add the Ring Directly – The Easy Way!
Here's the game-changer: Instead of building a tab and punching a hole, add a pre-made ring primitive (torus) right from the menu. It's built-in, looks professional, and integrates perfectly.

- Select your model on the build plate.
- Right-click the model in the object list (right panel) > "Add Part" > Scroll to select "Torus" (that's the doughnut/ring shape you were thinking of!).
- Customize the torus:
- Major Radius: 5-8mm (outer size of the ring).
- Minor Radius: 1.5-2mm (thickness of the ring wall—keep it sturdy).
- Height: Match your model's thickness, e.g., 3mm.
- Position it: Use the move/rotate gizmo to attach the torus to the edge of your model. Snap it so half embeds into the model for a fused look (overlapping merges during slicing).
- Merge: Select both the model and torus > Right-click > "Assemble" or group them. This treats it as one solid piece.

Boom—that's your keychain loop done in seconds! The torus creates a natural, rounded ring that's stronger than a flat hole and prints without supports on the K1 Max's stable bed .

If the torus doesn't snap perfectly, use the align tool or manually tweak coordinates. Preview the slice to ensure no gaps.

#### Step 4: Refine and Customize
- *Add Text or Details*: Right-click > "Add Text Shape" for personalization like names or dates. Emboss for raised letters.
- *Multi-Color Magic*: Use the paint tool to color the ring differently—great with the K1 Max's AMS for automatic filament swaps.
- *Optimize for Print*:
- Infill: 15-25% cubic or gyroid for lightweight durability.
- Layer Height: 0.16mm on K1 Max for smooth curves on the torus.
- Walls: 3-4 perimeters to reinforce the ring.
- No supports needed if designed flat!

Slice preview: Check layers to confirm the ring fuses well and has no weak spots.

#### Step 5: Slice, Print, and Finish
- Hit "Slice Plate" to generate G-code.
- Send to printer: Use WiFi or Creality Cloud for seamless transfer to your K1 Max.
- Post-Print: Pop off the bed (easy with the K1's PEI sheet), sand any rough edges, and slide a keyring through the torus loop. No drilling required!

#### Why This Method is Better and Easier
- Simpler than negative cylinders: No risk of misaligned holes or thin walls—just add and position the torus.
- Cleaner Design: The ring looks integrated, not tacked-on, and it's more ergonomic for keys.
- Modern Printer Perks: On creality printers especially modern ones like K1 Max, the torus prints with perfect bridging and minimal ooze thanks to pressure advance and input shaping. Older printers might need tweaks, but this shines on fast cores like K1 series.
- Variations: For chunkier keys, scale the torus bigger. Or add multiple for a charm bracelet vibe.

Common Pitfalls: Don't make the torus too thin (under 1mm minor radius)—it'll be fragile. Test with a quick print if unsure.

This updated approach is a total time-saver—thanks for the tip on the torus! If you're on a K1 Max or similar, you'll love how effortless it is. Share your keychain creations in the replies. What's your go-to free model for this? Happy printing! 🔑

Go Ahead Give it a shot and post your design lets all grow with creality cloud !

here is a free to use model to start with

https://www.crealitycloud.com/model-detail/3d-benchy?source=22

How to Turn Any 3D Model into a Keychain with One Click in Creality Print