I'd suggest before you do anything drastic/expensive, you get a good local 
welder to have a look at the frames. A talented welder can do amazing things. 

Rich Knowles
Indigo. LF38
Halifax

On 2012-12-15, at 17:41, Jim Watts <paradigmat...@gmail.com> wrote:

You could have the parts built in ABS if you supplied the CAD file for it. You 
could then use that as a master for a mold and make more out of metal. Or you 
could use the originals, glued together enough to make a mold. Or you could 
have them milled out of solid stock from a CAD file. 


Or, you could buy new Lewmar opening ports for less money...





On 12 December 2012 18:33, Bob Moriarty <bobmo...@gmail.com> wrote:
> I recently re-bedded the port-lights on my 33-1 and noticed that two of the 
> aluminum frames had cracks in the middle of the lower half. Butyl will handle 
> it this time but eventually the frames will need to be replaced. I wondered 
> if new frames could be made at a "3-D printing business" if I provided the 
> proper specifications. Has anyone tried this for boat parts? We could start 
> sharing data-sets. I know South Shore Yachts has some old parts but 
> eventually they'll be depleted. 
> 
> http://en.wikipedia.org/wiki/Numerical_control
> Clever subject line, eh?
> 
> Bob M
> Ox 33-1
> Jax, FL
> 
> _______________________________________________
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-- 
Jim Watts
Paradigm Shift
C&C 35 Mk III
Victoria, BC

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