3 days to upload this!!
That's how bad my internet is... Anyway
This video is all about the difference between using WangerFlanges or beveled frame to build a dome. Each has their advantages and disadvantages so hopefully this video my help you decide which is best for your project.

Beveled frame plans available from www.geodome.co.uk
WangerFlanges available from www.wangerflange.com