Christmas is the season to unleash your creativity! Embrace the festive spirit and design the most charming Christmas tree ornaments to spread holiday cheer. This festive feast is not just a competition; it's a celebration of craftsmanship, imagination, and the enchanting magic of the season. Whether you are inspired by traditional winter themes or eager to explore avant-garde holiday aesthetics, you are invited to bring your unique vision to life. Let sparkling snowflakes, twinkling lights, and a cozy festive atmosphere inspire you to design a 3D printed tree ornament that not only decorates but also tells a magical story of this special time of year!
Some entries



Prizes include
Now for the exciting prizes!
First Place

One (1) UltiMaker S3 Desktop 3D Printer.
A powerful device that fits neatly on your desk. The UltiMaker S3 is part of the most popular and versatile professional 3D printer series, compatible with over 280 materials and an ever-expanding selection of print profiles in the UltiMaker Marketplace.
Second Place (3 winners)

6 colorFabb spools of your choice from the colorFabb series (750gr.), in 1.75 or 2.85mm.
*On-demand colors, value packs, sample boxes, and gift cards are not included in the selection.
Third Place (5 winners)

3 colorFabb spools of your choice from the colorFabb series (750 grams), in 1.75 or 2.85 mm.
*On-demand colors, value packs, sample boxes, and gift cards are not included in the selection.
How to participate
1. Design an ornament
Create a 3D printed tree ornament that captures the magic of winter. Think snowflakes, sleighs, reindeer, cozy mittens, or anything that embodies festive joy.
2. Upload to Thingiverse
Share your masterpiece on Thingiverse and tag it with Holidays2023. Don't forget to add a captivating description and images showcasing your design from different angles.
3. Submit by December 22nd
All entries must be submitted by December 22nd to be eligible for consideration.
Enter a new design

Enter an existing design

Winning designs should:
1. Be original work
Your design should be original work, avoiding the use of others' work or unauthorized intellectual property.
2. Include STL files
Each submission must include at least one STL file for 3D printing.
3. Showcase a complete print
Provide at least one photo of a complete print of your design.
4. Include documentation
Share your creative journey! Include documentation of your design process, giving us a glimpse behind the scenes. For example, screenshots of the model in the design software.
5. Use the tag Holidays2023.
Using this tag ensures your entry is counted in the tree ornament challenge.
6. Submitted after October 1, 2023
Ensure your design was uploaded to Thingiverse after October 1, 2023.
7. Adhere to submission guidelines and terms of service
Ensure your submission complies with Thingiverse's guidelines and Thingiverse's terms of service.
What will the judges be looking for?
Entries will be evaluated based on creativity, printability, adherence to the winter holiday theme, and photography of the final 3D print.
*The winners will be announced on or before Monday, December 25, 2023, on the Thingiverse Challenge page. A moderator from the UltiMaker team will contact the winners via email.
Want to know more about Ultimaker products? Contact us below!
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3DMart offers more than just 3D printing; we provide three major OEM services: "3D Printing Service", "3D Scanning Service", and "3D Space Scanning Service"!!
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