I've to change my 12yo eyewears because they're not in a good shape. They're a pair of Armany rimless (by Luxottica) and they're made of plastic (arms) and stainless steel (the rest). Steel never broken, they just lost a screw from one hinge some years ago.
I've had a pair of Silhouette rimless hingeless titanium sunglasses as well ("the matrix" style) that had broken something like 5 or 6 times through 10 years of usage both at arms (bending points) and at the 2 endings of the lug.
Now considering my bad experience with Silhouette which titanium is considered one of the best ones for frames, I'm very doubtfull about what material lasts more for a rimless eyewear, steel or titanium.
What are your experiences with rimless spectacles made of steel or titanium? Which did last you more and what were your "habits" (usage just at office or else)?
I considered Lindberg and Blackfin too but they're too expensive for my.
Thank you in advance for opinions and suggestions.
Rimless is going to be easier to break since you're causing stress concentrations in the lenses. You can find lightweight full frames that are barely heavier but much more durable. Lindberg is a good option (they have both rimless and rimmed versions of the air titanium frames), but as you noted expensive. Mykita and IC! Berlin use sheetmetal, but are also at the higher end of the price range. Ovvo might be in your price range; they use a combination of titanium and steel sheetmetal. The sheetmetal frames will be cheaper to make lenses for, since the Lindbergs use a much thicker wire that limits your lens options.