Incazelo: I-Torwell ASA (i-Acrylonitirle Styrene Acrylate) iyi-polymer ekwazi ukumelana ne-UV, edume ngesimo sezulu.I-ASA iyinketho enhle kakhulu yokuphrinta ukukhiqiza noma izingxenye ze-prototype ezinokuqedwa kwe-matte okucwebezelayo okuyenza ibe umcu ofanelekile wamaphrinti abukeka ezobuchwepheshe.Lesi sici sihlala isikhathi eside kune-ABS, sinokucwebezela okuphansi, futhi sinenzuzo eyengeziwe yokuba ne-UV-stable ezinhlelweni zangaphandle/zangaphandle.