I got sent a bunch of lenses that are too small for the old frames I have. I thought it might be fun to try 3d printing my own frame arms out of ABS.

Modeling a lens is a bit challenging, or I’m just a bit rusty with freecad. I need a way to wrap/unwrap/flatten the curve to create the contours. For my purpose here I can get away with a rough lens shape that is simply mirrored and lacks some of the complex curves. It just bugs me when I can’t model it properly…

The lens is not uniform thickness. The center is 1.8mm thick while the edges where the arms mount are 1.4mm. I want to try and make a nose piece because this is the one part that fails on these cheap glasses.

Anyways, sharing just because I can.

  • DNOS@lemmy.ml
    3·
    6 months ago

    Hey that was mind opening, I never thought about how many different trees I could build and the implications of each… It was always like “I think I could build it this way let’s do it …” and most of the times for “difficult” projects after a couple of failed attempts and start over it would come out fine . It is really interesting the process with which you professionally chose the best one ,im not at a high enough level to be able to replicate the things you said but I can understand the decision you took and why, the likelihood of failure is something nobody teaches on the regular Internet …
    We are definitely built different I hate sanding so much I take in count fractions of mm and I usually account for the shrinking/growing of the object related to the shape filament and direction of prints …😅(Approximation from past prints) I still have to do it but at least I couldn’t have done better … I’m definitely guilty of the last one 😂😂😂 that might be the reason most of my projects end up broken 😅 Yeah the π one is a great advice too it’s an approssimation so its logical that curves that should match don’t …