I'm working on a home theater sub. It'll be an aa avalanche 18 in an 21 cu ft llt tuned to 15 hz. I'm trying to figure out how to cut the complicated bracing in this box design. So I was thinking if I got someone to CNC the bracing I can cut the rest of the boards and will have a much easier build. Any suggestions are appreciated. Here is a link. And some pics of the design. I have the google sketchup file, and was wondering if it would be able to make templates of each piece and print them on a plotter. Then I'd cut them to size with a table saw and cut them out with a jig saw.

Link to build post

Edited January 23, 201114 yr by hondakilla98

Oh Shit! Now that is some bracing.

NICE!

You could cut that out with a jigsaw. Would take a while, but wouldn't be hard to do.

Oh Shit! Now that is some bracing.

NICE!

You could cut that out with a jigsaw. Would take a while, but wouldn't be hard to do.

I was thinking that. But I'd like paper templates to work off of. Now I have access to a 48" wide plotter. So I can print them. I just don't know how.

If you cut them square, you could use a straight edge to pane it out.

I line up the edge of the wood with my straight edge and trace the inside line on the wood. I believe my straight edge is 1" or 1.5".

That's how I do it, but I have never cut that much bracing at one time.

Only the outer edges would have to be perfect to attach to the outside panels. I always try to sand a slight roundover on the inside cuts anyway so they dont have to be perfect.

Shame you would have to cover all that up from view. I would have to put some plexi on there to show people how damn hard i worked on it. LOL

If you cut them square, you could use a straight edge to pane it out.

I line up the edge of the wood with my straight edge and trace the inside line on the wood. I believe my straight edge is 1" or 1.5".

That's how I do it, but I have never cut that much bracing at one time.

Only the outer edges would have to be perfect to attach to the outside panels. I always try to sand a slight roundover on the inside cuts anyway so they dont have to be perfect.

Shame you would have to cover all that up from view. I would have to put some plexi on there to show people how damn hard i worked on it. LOL

The problem I'm trying to figure out. Is they are supposed to interlace into each other. If I can't get this to work. I'll just run the vertical braces. I'll use a circle jig and cut a large circle in the middle of each one And then run some dowels side to side for support.

Why couldn't you just glue them together. Top to bottom, front to back and brace to brace. That's the way it looks to me.

Why not alltread her up?

that looks schmexy!!!

Why couldn't you just glue them together. Top to bottom, front to back and brace to brace. That's the way it looks to me.

That's a good point. So build the bottom, front, back, and sides then start with the bracing in the middle around the sub. And work my way out clamping each new peice? And then sand to fit the end pieces? Then mark where all the bracing is and glue nail and clamp on the top?

that actually makes sense... are you gonna go with those complex bracing boards?

that actually makes sense... are you gonna go with those complex bracing boards?

Well it seems like a lot of work. But I won't be building the box again. So why not make it perfect. It's going in a false wall. And will have to last years. And if I set it up in my garage and do a little at a time. It'll seem like less work. Besides, I only have two clamps. Something else to buy.

You could do it easily without a cnc. No need to have square holes in the braces, I always use the router and go crazy with circular cutouts. A hole-saw works good too. Off-set the mounting of the horizontal braces and then you can use screws to hold them in place while the glue dries.

hmmmm I have access to a cnc router at work.