Illustration by Edward J. Woolsey, from Specimens of Fancy Turning (1869).

Source: @philamuseum.bsky.social

https://pdimagearchive.org/images/5a1d23f5-c988-447d-a1d7-f2c818a2d6ad

#woodwork #craftmanship #ornament #circular #geometry #pattern #photography #art #publicdomain

Step up! 🪜

Using just purple squares, green thick rhombuses, and blue thin rhombuses to build a 3D optical illusion structure.

How many steps to the top? 🤔

#Maths #PatternBlocks #Tessellation #Geometry #Puzzles #STEM

Illustration by Jean Errard, from Fortification réduicte art and démonstrée (1600).

Source: Deutsche Fotothek / Wikimedia Commons

https://pdimagearchive.org/images/efe13f3a-5127-46c6-93d8-c893e0f8f892

#fortifications #warfare #geometry #architecture #engraving #art #publicdomain

Echo 21st September 2026

For more follow
www.facebook.com/GeometricEch...

#p5js #processing #shaderart #trigonometry #geometry #geometricart #art #monochrome #blackandwhite #mathart #math #lines #generativeart #algorithm #echo #scifi #scifiart #algorithmicart #shaders #moire

CONSISTENCY is a game for Geometry students. Each player lays down a card that is consistent with the previously played cards.
matharguments.com/consistency....
(Links in right margin)

#iteachmath #mathgames #geometry #matheducation #MTBoS #MathsToday