If you delete the first image, the second one becomes the new preview in the grid. It’s not perfect, but it can save you from having to re-upload the entire post. Planning Your Grid Like a Pro ...

Now The Grid offers a Chrome browser extension, an iOS app, and a new system that elegantly places pictures, text, tweets, and videos on webpages — and applies color-appropriate backgrounds.

Studies have explored the benefits of non-square grid architectures, where the triangular grid, in particular, has shown an aptitude for reducing artefacts in image sampling and processing [1].