[Aren_Hill]

Originally Posted by kitare102

What would someone look for if they were trying to find an extrusion like you guys used for the main structure of these rails? As well, how are you planning to connect the frame up once both side rails are completed? The pattern of those holes looks like it would be great for designing attachment points.

Also for reference this is 3"x3" x .125" wall Aluminum tubing, nothing special.
Online metals has it but a local supplier will give a better price.

-Aren