No models are available for download for LAYT67B-U1V1-1-1+U2V2-3-1-R18. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
To find more CAD model downloads similar to this part, try a partial part number search, like LAYT6,
or try a keyword search, such as Visible LEDs