Replacement temples for child sunglasses. They might also work for others when you adapt the parameters in the sketch.

Source file: https://cad.onshape.com/documents/d7eaa9381e250eccf2041644/w/5a7fac5aaa8dbc83066566ab/e/53d02d487ac296afc0cca27a?renderMode=0&uiState=64f3a89f0380ce60da1e6782