A 0.6 mm thick square with a 0.7 mm thick plus sign measuring 2.8 x 2.8 mm placed in the center of the square.
Recommended Technique(s)
UV printing, 3D printing
Planar Size (mm)
7 by 7
Symbol Height (mm)
2.2
Line Element Width (mm)
0.7
Input Source Type
journal article
Set / Collection
WAT2025
Remarks
An internal plus sign raised to a height of 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