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App to create keychains

Creation quality: 5.0/5 (2 votes)
Evaluation of members on the printability, utility, level of detail, etc.

3D model description

Use my simple program to create double-sided keychains.

Please see video:

Keychains for fast print, no supports required.

Special technology to connect front and back by smooth sigmoidal curves (like a tree branches out). So we can print without supports, and letters and images are clearly readable.

Just enter some words. Or use one or two images.

You can even print QR codes! They are readable by the smartphone if you rotate the keychain a little in relation to the light source. Only need to invert the colors of the QR code image first (because the black color of the image will become the peaks of the keychain surface)

By downloading you get the program Amazing STL Creator 4.exe
Please note, you download not a printable STL but a program to generate them!

Application is for Windows only (Windows 7, 8, 10, 11).
Rendering time 15-60 seconds (5-10 min in quality mode)
Program places resulting file Amazing.stl to the same directory. where the program is.
Automatic centering and aligning of text.
You can use latin, cyrillic letters, numbers, space, and many symbols.
20 characters max in each text line.
STL size is 30-80 MB (100-300 MB in quality mode).

Each side of the keychain can contain:
- 2 lines of text,
- or 1 line of text in the center (fill only the top text field, leave the bottom one blank),
- or an image (JPG 600x600 pixels, other JPG sizes will be scaled to 1:1 and centered. Image will be transformed to Black/White format). For better image visibility you can google pictures using keyword "silhouette", for example "spiderman silhouette"

I have 26 year experience in programming 3d objects. If you like this application, I plan to make another 20-30 application for automatical individualizing the souvenirs by name/surname: business cards, text vases, paperweight, lythophane lanterns, et. al. Please subscribe my YouTube channel, so you don't miss my new customizers)

Please note, the operating system can warn you if you are opening a program from an unregistered publisher. This is a normal situation, it is difficult for an individual author to get into the register of publishers. Therefore, I guarantee with my reputation that the program is safe for your computer, and the only thing it does is write a STL file to disk with keychain.

Please give me feedback: what to improve in the program? I plan to collect recommendations and release an updated version of the program in a couple of weeks. If you bought the program, you can download the updated version for free. And you will receive a notification from Cults that you can download a new version of the program

If you want to legally sell 3D prints created with my program, please become a Patreon on my page:

3D printing settings

Print-in-place, no supports.
0.2 mm layer height.
Any plastic.
Cura works great.
Printing speed 40 mm/s.
Pretty fast printing (from 15 min to 1 hour).
Low weight from 2 to 10 grams. Ideal to use residue filament.
I use 0.4 mm nozzle.

At the bottom there should be a side with a larger area.
If it prints poorly without supports, just increase the thickness of the keychain

3D printer file information

  • 3D design format: STL and ZIP Folder details Close
    • Amazing STL Creator 4 -
      • Amazing STL Creator 4 - Keychain.exe
    • Info.stl
    • Link to download the

    Learn more about the formats

  • Last update: 2022-09-11 at 02:22
  • Publication date: 2022-08-11 at 09:19





Hi, friends! I design easy-to-print models for you. Print-in-place, no assembly, no supports

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