Upload any photo, sketch, or island image, tune the coastline preview, and stamp it 1:1 onto the parchment editor.
Upload any hand-drawn sketch, island photo, cloud/rock texture, or terrain image.
Slide left or right until the coastline silhouette matches what you want.
Keep at 0% for an exact trace of your photo, or raise to roughen the shores.
Gives you a clean parchment landmass with inked coastlines and water ripples ready to build on.