Graphic representation of a point symbol. Four circles inscribed in a square, each with a radius of 1.2 mm, spaced 2.2 mm apart
Download symbol filep18.zip, format: ZIP, size: 74.9 KB
Geometrypoint
Geometry DescriptionFour circles inscribed in a square, each with a radius of 1.2 mm, spaced 2.2 mm apart
Recommended Technique(s)Swell paper, UV printing, 3D printing
Planar Size (mm)Not applicable
Symbol Height (mm)2
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