Fasalin shingen raga na 3D wanda aka matse a kwance masu siffa “V”, wanda waya a kwance ta mamaye duk faɗin panel ɗin wanda zai iya ba da ƙarin ƙarfi da ƙarfi.A matsayin nau'in panel na waya na musamman, 3D welded waya panel an yi shi daga galvanized carbon karfe ko ƙarfe wayoyi mafi yawa, wanda aka lanƙwasa cikin dace "V" kwana sa'an nan welded cikin panel.