#auxetic — Public Fediverse posts

#Auxetic structures have the striking property of not changing under tensile stress or even increasing their width or thickness. The #DITF are researching auxetic fabrics for various applications such as #protective equipment or filter media.
https://nachrichten.idw-online.de/2025/12/16/more-safety-and-comfort-for-protective-clothing-thanks-to-auxetic-fabrics

Expanding Racks [video]
https://www.youtube.com/watch?v=iWknov3Xpts
#ycombinator #math #mathematics #3d_printing #rack_and_pinion #gear #expanding #auxetic

Fun #FACT, in Freedom And Constraint Topologies (F.A.C.T.) a bent blade spring is a topological equivalent to a beam. Beams aren't very #3dprinter friendly, but blades are.

Here's an example: my first idea of construction of an #auxetic #infill that replaces beams with topological equivalents