Firm Fisher Price produces wonderful children's eyeglass frames. In the product purchased by us, the bow is attached to the glasses not with the help of a hinged joint, as in ordinary “adult” glasses, but with a rubber insert.
The fastening element of this, obviously polyurethane, insert to the glasses and to the shackle is very miniature and is a weak point of the structure. It became obvious when the daughter on the playground fell, hitting just the area of ​​this circuit. The daughter, of course, Fingal, and the fastening element of the polyurethane Circuits detached and, accordingly, the bow detached from the glasses. In the search results - handles for inadequate 1600 rubles.
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Of course, modeled in Blender.
And I printed Verbatim flex plastic on Prusa i3 self-assembly:
Print parameters in Slic3r: layer height 0.25, auto layer width, filling 90%, brim 5mm, nozzle t - 220, table - 100, blowing constant 70%, speed 10 - 20 mm / s, varnish on the photo, printed 2 pieces at once . Red in the photo - the original detail. The printed part copes well with its function. Who should lay out .stl or .blend.
To someone like that, please contact, I will be glad to help.