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Large Spherical Shell

Large Spherical Shell

Large Spherical Shell

(OP)
I am building a clear spherical dome requiring approx 1.5m radius, an arbitrary thickness (say 12mm) and a very smooth surface.  It will comprise two flanged hemispheres or six hexahedral (!) segments.  It needs to be optically clear.  I am considering free blow forming acrylic but would appreciate any help with the following:

- Contacts for suitable thermoformers willing to develop the parts
- Joining method suggestions
- Alternative process suggestions

Thanks in advance for any help

Matt

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