An approach for defining, capturing, assembling, and displaying customized video content is provided. In an embodiment, a method comprises: receiving, by a server computer, a video frame sequence that includes one or more video frames; applying, by the server computer, one or more filters to the one or more video frames to generate a video data file that captures geometry of a customizable object depicted in the one or more video frames; generating, by the server computer, customization instructions for customizing appearance of the customizable object; transmitting, from the server computer to a client computer, the video data file and the customization instructions to cause the client computer to execute the customization instructions with respect to the video data file to render a customized object, and to overlay the customized object over the customizable object in the video frame sequence.