Proportioning Overlays

Analysis frame

Width—

Height—

Drag inside the frame to move it; drag the red handles to resize. With a locked aspect, resizing keeps the ratio.

Overlays

Golden section + spiral Root rectangles (√2 · √3 · √5) Rule of thirds Fibonacci grid Modulor bands Tatami / Ken grid

Modules6

Regulating lines Symmetry axes

Line style

Opacity85%

Weight1.3 px

Line colour (regulating lines)

Image

Drop a facade or plan anywhere on the canvas. It's shown letterboxed; the frame snaps to it so you can test the whole image, then resize to read a part.

Export

PNG flattens the image with the overlays. SVG is the overlays as crisp vector lines on a transparent ground — drop it over the drawing in any editor.

Drop image to analyse