A collection of icons specially made for Plimsoll based on a rather unusual 26 pixel grid.
- No faux 3D. Make icons flat and two dimensional.
- Outlined style. No heavy fills.
- Use a 26×26 grid for layout. Vertically and horizontally centre any icons that don't cleanly fill the grid.
- Use a consistent stroke width of 2px.
- Use a border radius of 3px where necessary.
- Leave a space of at least 2px between parallel lines, so they don't get lost when shrunk down.