[Oa] Re: Swivel Roof Mechanism

[Fjmxcels at aol.com]

Andrew/Jeff/Selena
 
I would like to suggest you take a look at Duncan Birmingham's book  Pop-Ups! 
A Manual of Paper Mechanisms. In particular, Mechanism #49  (Pop-up  House) 
p.44 and possibly Mechanism #77 (The Double 45 Degree Fold)  p.66.
 
I believe #49 describes in picture and detail something very similar to  what 
you were describing, Selena. #77 may hold the key to the "very  intriguing 
twist mechanism."  I hope this might help or give some  ideas.
 
Frank Miller (An OA enthusiast and designer...but not well  published)
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