Low-Poly models of 5 Linear Diffusers. Originally created with Blender. Tested in UE5. Previews are rendered with Cycles.
It's also suitable for VR / AR & Realtime rendering.
LinearDiffuser_750x200 : W750*D200*H6(mm) Vertices: 228 Faces: 116 Triangles 232
LinearDiffuser_900x60 : W900*D60*H6(mm) Vertices: 196 Faces: 84 Triangles 168
LinearDiffuser_1200x135 : W1,200*D135*H6(mm) Vertices: 1,224 Faces: 531 Triangles 1,062
LinearDiffuser_1500x135 : W1,500*D135*H6(mm) Vertices: 180 Faces: 96 Triangles 192
LinearDiffuser_1500x200 : W1,500*D200*H6(mm) Vertices: 228 Faces: 116 Triangles 232