I didn’t have a printer but do know someone with one, I bet I could ask for a little filament. Sounds fun to try.

In this case combined with accidental side pressure and cold weather.

Thanks! Yeah, I think the string is taking the major tension load, and the glue just keeps it from falling off / unwinding / abrading.

Fun solution, I do have some other failed plastic pieces I might want to upgrade to metal.

Though SCS seems to do flat/folded pieces, not volumetric, from skimming their site.

I have Hi2 heat pumps in a 100yo house with recently improved insulation, and it was just fine last year in -15F weather. No gas backup.

One family member has been talking to installers and they keep telling her that heat pumps can’t work reliably, it’s extremely frustrating.

Was wondering why multiple towers:

In the morning, most of the mirrors point at the eastern tower; in the afternoon, some switch to the western tower.

“The mirrors in the overlapping area can be utilized by either tower. This configuration is expected to enhance efficiency by 24%,”