Vase Christmas Tree (Seven Levels)

Model January 3, 2026
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No folding instructions for this model are listed on my page.
Main model description: Vase Christmas Tree
Paper: metallic paper (Sirio Pearl Green 120 gsm)
Type: figurative modular, modular fractal, tree (implies: abstract modular, abstract, figurative, fractal, geometric, living thing, mathematical object, modular, multi-sheet, plant)
Author: Jim Weir, Michał Kosmulski
Units used: Geometric Vase 1.1, by: Jim Weir, Michał Kosmulski (7 Geometric Vases and one custom unit for the tip)
Unit count: 8
Colors: green
In albums: Models designed by me and by others, Showcase, Modular ① – few units

Images are licensed under the Creative Commons Attribution-NonCommercial 4.0 International License

Just as two thousand years ago, the Earth is engulfed in darkness. May the Prince of Peace give us his light to tell good from evil, to side with the poor, and the strength to act.

Assembling this model, I realized I originally got the math wrong for computing paper size ratios. A linear progression is just an approximation and the last few stages clearly show why. My calculation did not take into account the fact that sheet size affects not only how far to the side the branches reach, but also how deep each vase falls inside the previous one. I have to work out the corrected formula some time.

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