Graphic representation of a point symbol. Sigma (uppercase Greek letter), horizontally symmetrical
Download symbol filep23.zip, format: ZIP, size: 12.1 KB
Geometrypoint
Geometry DescriptionSigma (uppercase Greek letter), horizontally symmetrical
Recommended Technique(s)UV printing, 3D printing
Planar Size (mm)Not applicable
Symbol Height (mm)2
Line Element Width (mm)6
Input Source Typejournal article
RemarksThe symbol was evaluated in a systematic study involving 15 participants with visual impairments. The evaluation covered three production techniques: swell paper, UV printing, and 3D printing. Reference: https://doi.org/10.1080/15230406.2024.2379456