Desk top microphone sound booth?
I'm constructing an open octagon shape in which 5 sections of the octagon are being used. I have 22 1/2 degree angles so that my boards form the correct shape. Think of rectangles standing vertically and the long edges have the 22 1/2 degree angles.
Is there a way to make the joining surfaces mechanically secure by using a glue joint bit or a spline or biscuit? I can't figure out how to position the boards to achieve this.
Is there a way to make the joining surfaces mechanically secure by using a glue joint bit or a spline or biscuit? I can't figure out how to position the boards to achieve this.
- Mayo
South Elgin, IL111
Our Expert
Keeping 22.5 degree joints in alignment during gluing used to require a spline. And even with a spline the job was challenging because the splines added parts to the entire assembly.
A much easier solution is to use a bird's mouth joint. One half of the joint is square and the mating half is a "V" shape. The joint is very strong and, best of all, it is self-aligning.
Amana Tool makes several router bits for bird's mouth joints including tool number 54270 which creates a 22.5.