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Make Your Own Protractor!In this tutarial video, I have created a protractor that is not only reliable but also enjoyable to use by combining the durability of wood with the precision of aluminum
You can ask your questions as a comment on the Youtube video
Some scenes from the video:






Making Video :
Go to this video's Youtube page and make a comment.
PDF Download : Protractor - Angle Gauge PDF
Did you see this ? Ruler Marking Gauge
You can use it both to drill 90 degree holes and to drill holes in the depth you want. It also works for joining two woods together, you can see in the video.