SiteOrigin Cell Flex Feature The SiteOrigin Cell Flex feature provides more options for the layout of widgets within their cells. The widgets are laid out using flex and can be set to layout on the vertical and horizontal axis. Download This Demo SiteOrigin Widget Layout Row Widgets Horizontally Left Right Center Between Around Echelon Prime Subscribe to Echelon Prime to unlock full functionality. More Info. PRIME PERSONAL Get Prime for a single developer. Suitable for individuals, site owners and freelancers. PRIME TEAM Get Prime for two or more developers. Suitable for agencies, teams and companies.