Gnomonic

const height = Math.max(640, width);
const projection = d3.geoGnomonic().scale(width / 6).translate([width / 2, height / 2]).clipAngle(80);
const outline = {type: "Sphere"};
const graticule = d3.geoGraticule10();
const land = topojson.feature(world, world.objects.land);
const canvas = display(document.createElement("canvas"));
canvas.width = width * devicePixelRatio;
canvas.height = height * devicePixelRatio;
canvas.style.width = `${width}px`;
const context = canvas.getContext("2d");
context.scale(devicePixelRatio, devicePixelRatio);
const path = d3.geoPath(projection, context);
context.save();
context.beginPath(), path(outline), context.clip(), context.fillStyle = "#fff", context.fillRect(0, 0, width, height);
context.beginPath(), path(graticule), context.strokeStyle = "#ccc", context.stroke();
context.beginPath(), path(land), context.fillStyle = "#000", context.fill();
context.restore();
context.beginPath(), path(outline), context.strokeStyle = "#000", context.stroke();

const world = FileAttachment("data/land-50m.json").json().then(display);