Bistable Auxetic Structure (Parametric with OpenSCAD)

Bistable Auxetic Structure

Overview

Structure expands to create dome and locks in place. Inspired by this video. The paper by Tian Chen and colleagues can be read here.

Code linked here and available for download below.

3D Printing Info

• Material: TPU, PLA is too brittle
• Layer height: .2mm
• Infill: 15%
• Supports: None

Updates

10/16/2023

• Fixed translation for # columns in .scad file
• Updated scad file to correct projection, in line with fusion 360 design.