Tip: use the + buttons around the window to add one beside, above or below it.
On the windows
Profiles
Help & limits
Mapping
Drag a corner dot onto each window corner. Drag an edge bar to stretch one side. Drag inside a window to move it.
Corners snap together (pink circle) and line up with pink guides; corners that touch move together. Hold Alt/Option to place freely. Tab next corner · ←↑→↓ nudge (Shift ×10) · Delete remove window Ctrl/Cmd+Z undo · Shift+Ctrl/Cmd+Z redo · M show · H hide panel · F fullscreen
Keep the projector's rear/mirror mode off; the app flips the show for the street.
Limits
Up to 12 windows and 4 rows.
Each pane is a flat four-sided shape. Arched, round or curved glass is approximated by its corners.
One projector, from inside, covering every window.
Don't move the projector after mapping. If it gets bumped, remap.
Map in fullscreen on the projector so exported videos line up.
Shows loop for up to 10 minutes, with up to 20 designs.
Video export: MP4 at 1080p or 720p, 30 fps, no sound, in Chrome or Edge.
Layouts and profiles are saved in this browser only. Use Save to file to move them.
Works best with the room behind the windows dark.
Show playlist · click a design to edit it
Show & export
Between designs
The video is made in your browser and loops with no jump. Put it on a USB stick and play it on repeat from the projector.