Graphic representation of a line symbol. A double line with a thickness of 0.60 mm, spaced 1.20 mm apart. The inner line consists of crosses with a line thickness of 0.60 mm and an overall size of 3.00 mm, spaced every 3.00 mm.
Added by: T-rep admin2025-12-11
Geometryline
Geometry DescriptionA double line with a thickness of 0.60 mm, spaced 1.20 mm apart. The inner line consists of crosses with a line thickness of 0.60 mm and an overall size of 3.00 mm, spaced every 3.00 mm.
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)Swell paper, UV printing, 3D printing
Planar Size (mm)Not applicable
Symbol Height (mm)1.5
Line Element Width (mm)4.8
Colour (HEX)#000000
Input Source Typejournal article
DOI10.1080/15230406.2024.2379456
Meaning / Map usewall of an ancient building