csa3d retweeted
A hexagonal ring of squares doesn’t just look pretty— it folds into a perfect cube.
This graceful transformation reveals the power of topology: how flat surfaces become strong 3D forms through clever alignment and folding.
csa3d retweeted
GEOMETRY/ Spiral Golden ratio
rafael-araujo.com
csa3d retweeted
Math.
Interactive Spiral of Theodorus. The kth triangle in the sequence is a right triangle with the side lengths √k and 1, and with hypotenuse √(k+ 1).
By Daniel Mentrard, @dment37, Used with permission. geogebra.org/u/daniel+mentra…
csa3d retweeted
Strange universe. Ancient magical math from India.
“Inscribed Lotus” (Padma Vrtta), by Indian mathematician Nārāyaṇa (1356). Certain groups of 12 numbers have the same sum, 294. More colors below. Info: archimedes-lab.org/2020/12/2…, used with permission [mathematics, maths]
csa3d retweeted
Engineering, mathematics. Unconventional gears.
The center of a logarithmic spiral traces a straight line as it is rolled.
By Matt Henderson, @matthen2, used with permission.
csa3d retweeted
Dimensions: 0D to 4D in 2D.
#visualmath
csa3d retweeted
The 1-2-3-4-5 Egyptian Tangram and 3:4:5 Right Triangle Decoded.
#egyptiantangram #pythagorastheorem
csa3d retweeted
3-4-5 Derivative, 27.07.2025
23 x 24
#pythagorastheorem































