A circle with a line thickness of 0.6 mm, containing a dot with a radius of 0.75 mm placed at the center of the symbol.
Recommended Technique(s)
UV printing, 3D printing
Planar Size (mm)
Not applicable
Symbol Height (mm)
2.2
Line Element Width (mm)
0.6
Input Source Type
journal article
Remarks
Circle height: 2.0 mm; central dot height: 2.2 mm. --- The 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
