Yes and no. He wrote the idea in his notes and sketched it, but never made one. Ideas would come to mind and he would jot them down along with questions. He did this all of his life and 4,000 of them still exist today. Da Vinci was a man who finished few things in his life. Often he would start something and never finish it.
yes he invintend a square silk one
Pyramid
Leandro da Vinci
ewan q
Hygrometer.
yes he invintend a square silk one
Leonardo da Vinci designed a parachute in the late 15th century, around 1485. His design was based on the principle of an inverted cone and was one of his many visionary inventions ahead of his time. However, there is no historical evidence to suggest that he built or tested this parachute design.
pyramid
1515 by Da Vinci
1564
No
No.
technically, he didn't invent it, he designed it!
A Pyramid
Pyramid
That is easy: he did not!
hes mean