How to Make a Miter Box for Cutting Spars
Cutting carbon- and glassfiber rods is a must for all kite builders and by making a miter box makes cutting so much easier. Here’s how to make one yourself!
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The 27th Nordic Kite Meeting
Blokhus Denmark
June 2nd - 8th 2025
Blokhus Wind Festival
Blokhus Denmark
June 7th - 8th 2025

All you need to make a miter box is three pieces of wood at about 20cm (length), 5cm (height) and 1cm (width), a handful of screws, an electric drill/screwdriver and a carpenter saw.

…and I think that looking through the photos below will make this whole thing pretty much self explanatory, so let’s just cut the crap and check out the photos!

Three pieces of wood is the basic ingredients
Three pieces of wood is the basic ingredients
Draw a line along the two outer panels about one cm from the edge
Draw a line along the two outer panels about one cm from the edge
Drill five holes about 0,5cm along the line for both side panels
Drill five holes about 0,5cm along the line for both side panels
Close-up
Close-up
Insert screws in all holes in the two side panels
Insert screws in all holes in the two side panels
Close-up
Close-up
Then put it all together using the electric screwdriver
Then put it all together using the electric screwdriver
Close-up
Close-up
Another close-up
Another close-up
Make two marks so you know where to saw to finish the miter box
Make two marks so you know where to saw to finish the miter box
Now this really is starting to look like a miter box!
Now this really is starting to look like a miter box!
Close-up
Close-up
Even closer up!
Even closer up!

This miter box took me about 40 minutes to build and it will make cutting spars sooo much easier, so it’s a very well spent 40 minutes.

Questions or comments? Just drop me a line in the comments field below!

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