How to Make Nether Portal

You Will Need:
1.18 Obsidian
2.1 full health Flint and Steel
3. Diamond Pickaxe

Step 1:

The bottom is 4 blocks wide.

Step 2:

And the sides are 5 blocks tall . But only build up 4 because the corner counts as 1.

Step 3:

For the top connect the tow sides together.

Step 4:

Then use a fin and steel to set a corner of fire and the middle will turn purple.

Step 5:

And HAVE FUN!!!!!!!!!!!!