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HTML 

              
                <html>

<head>
  <title> Geometry</title>

  <!--  --------- IMPORTED LIBRARIES  ------>
  

  <script src="https://aframe.io/releases/0.6.0/aframe.min.js"></script>

</head>

<body>

  <a-scene> <!-- Creating scene -->


    

    <!--  --------- SKY  --------- -->

    <a-sky id="background-img" color="#EBEBEB"></a-sky>
      
 
   <!--  --------- GROUND  --------- -->

    <a-plane id="ground" color="#000000" position="0 0 0" rotation="-90 0 0" width="10" lenght="10"></a-plane>
    
    <!--  --------- SHAPES  --------- -->
    
     <!-- There's a few more of shapes you can use.
          I'll leave it here with the respective dodumentation links for you to check out:
<a-circle> : https://aframe.io/docs/0.6.0/primitives/a-circle.html

<a-triangle> : https://aframe.io/docs/0.6.0/primitives/a-triangle.html

<a-torus>: 
https://aframe.io/docs/0.6.0/primitives/a-torus.html

<a-torus-knot>: https://aframe.io/docs/0.6.0/primitives/a-torus-knot.html

      --> 
     <a-cylinder position="0 0.75 -0.25" radius="0.5" height="1.5" color="#FFC65D"></a-cylinder>
    <!--Since I want this to stand on top of the plane, I'll add half it's height to the plane height on the y axis of the position property
I wrote -0.25 on the z axis so I would move the cylinder a little further in the plane-->  
     
      <a-box position="-1 0.5 0.5" depth="0.5" height="0.5" width="0.5" color="#FFF65D"></a-box>
    
    <a-cone  position="1 0.5 0" color="tomato" radius-bottom="0.5" radius-top="0"></a-cone>
    <!--If the radius top is other than 0, you'll have a cone top cut by a plane, if it's 0 is a regular cone -->  
    
    <a-dodecahedron position="2 0.25 0"  color="#FF9FFF" radius="0.5"></a-dodecahedron>
    
    <a-octahedron position="-2.5 0.25 0" color="#FF926B" radius="0.45"></a-octahedron>
    
    <a-ring  position="-3.7 0.7 0" color="teal" radius-inner="0.25" radius-outer="0.7"></a-ring>
    <!--The position on the y axis of the ring is determined according to the bottom which is why the outer radius and y position have the same value

The same happens with the sphere-->
    
  <a-sphere  position="3.7 0.5 0"color="blue" radius="0.5"></a-sphere>
    
 <!--  --------- CAMERA AND CURSOR  --------- -->  
     
      
<a-camera  look-controls-enabled wasd-controls-enabled position="0 0 3"> 
   <!--The camera is a bit far from position 0 0 0 so you can view the full picture  -->  
  
    <a-cursor position="0 0 -3"
              geometry="primitive: ring; radiusOuter: 0.030; radiusInner: 0.020;" 
              material="color: #11d8c4; shader: flat"
              fuse="true" timeout="10">   
    </a-cursor>  

</a-camera> 
    
      

  </a-scene>
  <!-- Closing scene -->
  
</body>

</html>
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