I started with a paper template. The size of the pipe is completely up to you, I decided on a small pocket pipe that is 12 cm long and 5 cm wide. The thickness of the wood should be 2 cm.
Step 1: The Wood
I chose some scrap oak flooring which was just laying around my workshop. I recommend you use oak or cherry wood if you have it. The best option for the pipe is of course briar, which is kind of hard to get where I live.
Step 2: Trace It
Put the piece of paper on the wood and carefully trace it with a black marker. Don't worry if the marker is alcohol based because it will all be sanded of soon.
Step 3: Cut It
Place the wood on something stable and clamp it down hard so it doesn't move around. I cut it out with a jigsaw with a rough blade for wood. The rougher the blade the more sanding you will have to do. If you have a bandsaw cut it out with that because it will be more accurate.
Step 4: Drilling the Holes
I marked the spot where I wanted the hole to be and punched in a smaller hole as a guide for the drill bit. The hole I drilled was 1.5 cm if you have a bigger drill bit I suggest you drill about 2-2.5 cm hole. For the mouth hole I decided on a 5 mm hole. If you make the pipe to long you might have truble drilling the mouth hole so watch out for that.
Step 5: Sanding
If you have a router you can use it on the edges. I do have a router but the pipe is just to small for me to take off the edges with a router so I used a belt sander. I used a 40 sanding paper and I just sanded the edges roughly. Then I placed the pipe in the vice and started to hand sand it with a piece of 120 paper. You should probably use a rougher hand sanding paper but I decided on 120.
Step 6: Polishing, Oiling and Waxing It
Before I started oiling it I polished the whole thing on my drill which made it very smooth and ready for oiling. For oiling I decided on using outside furniture oil. I put on 2 coats and again polished it. Then for the final finish I put on a coat of beeswax which also gave out a nice smell.
Step 7: Fin
And there you have the finished product. It took me about 2 hours from start to finish. Now go enjoy your homemade oak pipe.