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Christmas Tree Puzzle

Creation's quality: 4.5/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.

3D model description

This puzzle is based on my "Conceptual Christmas Tree" design at which I've scaled up and chopped into 22 pieces which interlock to form a full tree that's 400mm tall and about 175mm across. Each Tier of the tree is made of a selection of parts that interlock using keys that can be round, square or hexagonal, and has square or round lugs on the bottom that lock into the layer below. Be sure you get each layer right, as there are multiple ways to assemble some of the layers and if you pick the wrong one the layer above may not fit into it!

I've printed this in black PLA with bronze glitter to give a more modern sophisticated look but it should work well in wood-fill to give a traditional toy look or in dark green PLA to give a more natural effect. The example in to the photos above required 550 grams of PLA and took just under 40 hours to print.

  • 3D file format: STL
  • Publication date: 2020/10/27 at 20:14





Electronics Engineer from Reading with some Mech.Eng. training. Mostly doing 3D printing for work making assorted parts for high-voltage assemblies but also designing and printing random items I find useful. Strong preference for keeping the entire toolpath open-source but will use commercial software where it's really needed.

I also do a lot of 3D design work for rLab, Reading's hackspace to help with maintaining the supporting the equipment and keeping the building clean.

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