2022
Fractal Snowflake
Organized by: Anna Schilling, Dia Taha
Description: The HEGL community collectively crafted a fractal snowflake that was displayed in the foyer of the Mathematikon.
Files: announcement poster, snowflake svg
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2023/02/fractal_snowflake_01-scaled.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2023/02/fractal_snowflake_02-scaled.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2023/02/fractal_snowflake_04-scaled.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2023/02/fractal_snowflake_05-scaled.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2023/02/fractal_snowflake_03-scaled.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2023/02/fractal_snowflake_06-scaled.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2023/02/fractal_snowflake_08-scaled.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2023/02/fractal_snowflake_09-scaled.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2023/02/fractal_snowflake_07-scaled.jpeg)
Planimeters
Polar and hatchet planimeters crafted by Aaron Osburg as part of the Planimeters and Bicycle Tires project in Winter Semester 2021.
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2022/02/polar_planimeter_photo-1024x700.png)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2022/02/hatchet_planimeter_photo-739x1024.png)
2021
Sierpinski Christmas Tree
Organized by: Mareike Pfeil, Anna Schilling, Dia Taha
Description: The HEGL community collectively crafted a Sierpinski Christmas tree that was displayed in the foyer of the Mathematikon.
Files: announcement poster, tetrahedron net
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2021/12/tree-01-1-768x1024.jpg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2021/12/tree-05-768x1024.jpg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2021/12/tree-02-1-768x1024.jpg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2021/12/tree-04-1-768x1024.jpg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2021/12/tree-03-2-768x1024.jpg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2022/01/tree_top_view-1024x1024.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2022/01/two_legs-1024x956.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2022/01/tree_decorations-1024x1024.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2022/01/single_sheet-1024x909.jpeg)
![](https://hegl.mathi.uni-heidelberg.de/wp-content/uploads/2022/01/christmas_star-768x1024.jpg)