From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Sharp but soft triangles in light shades of gray.
Source Pixeden
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Old China with a modern twist, take two.
Source Adam Charlts
Prismatic Groovy Concentric Background 2
Source GDJ
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin