Drop images to add them as layers
Drag a sprite onto the canvas, or pick one and click to stamp. Floors/zones: pick a tile, then drag a rectangle (F) or paint cells (B). Handles: corners scale · top knob rotates (90° steps, Shift = free) · ⇋ ⇵ flip · edges resize tile fills. R / Shift+R rotate · H / J flip · Ctrl+G group · Ctrl+V paste image · wheel zoom · Space-drag pan · G grid snap · ? all shortcuts