Implementations disclose methods and systems for rendering, by a browser, a content item projected on a mesh. A method includes providing, by a browser executing on a user device, an application programming interface (API) to communicate with a web application that includes a user interface to present a content item on the user device; receiving, by the browser from the web application via the API, an instruction to project the content item on a mesh, where the instruction identifies the content item and the mesh; rendering, by the browser and without involvement of the web application, a first frame of the content item projected on the mesh in a first orientation; and causing, by the browser, the rendered first frame to be displayed on the user device.