None of their interior angles is greater than 180°.The octagon in which each interior angle is less than 180° is a convex octagon. All the interior angles are of different measure, but their sum is always 1080º.It is an octagon with unequal sides and angles.In other words, an irregular Octagon has eight unequal sides and eight unequal angles. The interior angle at each vertex of a regular octagon is 135°.Īn octagon in which the sides and angles are not congruent is an irregular octagon.The interior angles add up to 1080° and the exterior angles add up to 360°.In a regular octagon, all the sides are equal in length, and all the angles are equal in measure.The octagon that has eight equal sides and eight equal angles is known as a regular octagon. I am sure I will get great use out of them.Depending upon the sides and angles, an octagon is classified into the following categories: When I made my Hexagon Platers I did this…I cut all my scrap pieces on one side at the correct angle first (top photo), then I used a scrap piece cut at the correct angle and clamped it to my saw fence so I could quickly and accurately cut a bunch of pieces to the exact size I wanted! This worked great and only took a few minutes to set up!Īnd that my friends is how you make an Octagon Jig! I now have two jigs, one for making octagons and one for making hexagon shapes. *Tip: If you are cutting a bunch of pieces at the same length you can create a stop on your miter saw. Well, for you it will be in no time at all because you are going to avoid making my mistakes! Right? Right. ![]() In no time at all I had my octagon built! Muah ha ha ha! (slightly hysterical and maniacal laugh) Let’s get started! How to m ake an Octagon Jig I eventually got my brain working to a point where I figured out a great system for using a jig to help create awesome geometric projects. Luckily for you, this post is packed with mistakes, that I generously made, so that you can learn from them and not make them yourself.
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