I have to confess it is not entirely my idea. A samba thread mentioned them, but had no pictures. Seemed easy enough to try though, especially if you have a garage/barn/workshop full of off cuts of various materials from past projects.

alistair

PS a guy like Trevor (skylight guy) should make them to sell

On 2011-11-16, at 10:08 AM, Edward Maglott wrote:

> That is a great design.  Bravo!  I will be making some of those.
> Edward