[Oa] diagonal box roof mechanism?

[Andrew Crawford]

Hi Jeff,

I don't have a copy of Paul Jackson's book and am not familiar with that 
particular mechanism.  Similar "diagonal box" structures I have worked 
with use a roof with 4 or more sides that fold up similarly to the main 
structure.

Multi-piece structures are not my forte.

Maybe someone else on the list knows this and will post.

What have you tried so far?

At a glance, it seems like something involving string connecting the 
roof on the diagonal (perpendicular to the main fold) to the main 
structure might be the right direction.

Andrew Crawford

Jeff Gomes wrote:
> Hi everybody!
> 
> Could someone please be so kind as to describe what the "ingenious" roof mechanism is in the house shown on page 149 of "The Pop-Up Book" by Paul Jackson.  (I have not succeeded in contacting Mr. Jackson.)
> 
> For those who do not have the book handy, I scanned the photo and uploaded a low-res jpeg of it to <http://www.mmmagic.com/dl/om_ungers_pop-up_house.jpg>
> 
> The text accompanying the photo says:
> 
> "The basic Diagonal Box technique creates the simple shape of the house.  The separate roof, however, is created by an ingenious mechanism which swivels it into place and which is beautiful to watch as the card is opened."
> 
> Thanks!
> 
> -Jeff