Graphic representation of a point symbol. Sigma (uppercase Greek letter), horizontally symmetrical
Geometrypoint
Geometry DescriptionSigma (uppercase Greek letter), horizontally symmetrical
Verified?yes
Verification Methodsystematic study involving people with visual impairments
Verified by (count)15
Verified Technique(s)Swell paper, UV printing, 3D printing
Recommended Technique(s)UV printing, 3D printing
Planar Size (mm)Not applicable
Symbol Height (mm)2
Line Element Width (mm)6
Colour (HEX)#000000
Input Source Typejournal article
DOIhttps://doi.org/10.1080/15230406.2024.2379456
Meaning / Map useOld element