<!DOCTYPE html> <html> <script src="https://aframe.io/releases/1.0.0/aframe.min.js"></script> <!-- we import arjs version without NFT but with marker + location based support --> <script src="../../build/aframe-ar.js"></script> <link rel="import" href="../assets/index.css"> <body> <a-scene embedded arjs='sourceWidth: window.innerWidth > window.innerHeight ? 640 : 480; sourceHeight: window.innerWidth > window.innerHeight ? 480 : 640'> <a-marker preset="hiro"> <a-box position='0 0.5 0' material='opacity: 0.5; side: double;color:blue;'> <a-torus-knot radius='0.26' radius-tubular='0.05' animation="property: rotation; to:360 0 0; dur: 5000; easing: linear; loop: true"> </a-torus-knot> </a-box> </a-marker> <a-entity camera></a-entity> </a-scene> </body> </html>