Make your park!
NOT turbo mode.
I did this project just to try equations of less usual curves. You can do a remix, for a more beautiful park! :-)
See the drawing and equations presented at the end of the website
Curves of the birds:
1- based on folium of Descartes.
2- Freeth's Nephroid
Music: Vásáry André - E. Morricone: Once Upon a Time in the West (excerpt, YouTube)