An Oak trapdoor is a solid, transparent block that can be used as an open able barrier.
To make Oak Trapdoor, you just need two things, Oak wood Logs and Oak Wood planks. Please follow the following steps to make Oak Trapdoor.
Oak Wood Log
In order to make an oak trapdoor, the item you will need is wood Log of oak tree. Find an oak tree and use your ironaxe to chop down two wood logs. You can find oak trees in the Forest Biome.
Oak Wood Planks
After that, you will need to use the crafting table to craft wooden planks. Go towards the crafting table and open up 3*3 crafting grid to add oak wood blocks in the center or any cell of the grid. You will get oak wood planks in the right-side box of the crafting table. Add these wood planks into “ready to use” stock. Planks can be used for building structures, as crafting ingredients, and as fuel.
Now you can craft Oak trapdoor using the crafting table. Open up 3*3 crafting grid and add six wood planks in adjacent rows of your choice as shown in the image below. You will get Oak trapdoors in the right-side box of the crafting table. Add these trapdoors in your “ready to use” stock.