Hi…..friends here i will show how create a stock vector illustration 3d helipad images.
In this tutorial you will learn how to create a helipad quick and easy.
[1]-Choose the Box and create box with the following size
Now place like me 
[2]-Create multiple boxes and place like me 
[3]-Create box with the following size and place like me 
[4]-Create more boxes and place like me 
[5]-This time create cylinder with the following size and place like me 
[6]-Create planes with the following size and place like me 
[7]-Create Straight stairs with the following size 
[8]-Place the Straight stairs like me 
[9]-Make the materials like me 
[10]-Set the skylight like this with the good following parameters 
[12]-Now you are done it enjoy the final output as shown below 