Map Maker allows you to make a customized map blazing fast.
Select any layer including Rectangle, Ellipse or even Polygon, and run Map Maker.
Google Maps :
Select your Map and run Map Maker again. It saves all your customization to your layer.
You can hide the build-in preview, and see the actual output live on your canvas, while editing your map.
Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.