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2.  To build an end portal, you need to place three frames for the end portal in order to construct one side of the portal. Photography-blogs.co.uk Turn in a circular manner and place End Portal frames on each side. Next, click on each End Portal frame with the Eye of Enders in hand and add the Eye of Enders. Be careful not to fall after you have added the last one.
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6.  Here is the step-by step pictorial guide to follow to build an end-to-end portal in Minecraft:
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10.  Step 1: You'll first need to build the frame of the End Portal. To begin, place three end portal frames in order to build one side of the portal. Continue to rotate in a circular motion and then place End Portal frames on every side.
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14.  TIP: Make sure the tabs in green that are on top of end portal frames are facing the inside of the portal.
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18.  Step 2 Now you must add the Eye of Enders into each End Portal frame by clicking on each frame with the Eye of Enders in your hand.
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22.  Make sure to stop before placing the 12th and final Eye of Ender into the final empty portal. This is because if you place the final Eye of Ender while standing within the portal you will instantly be transported to the End dimension, with no time to prepare yourself for what is to come.
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25. Website: https://photography-blogs.co.uk/