No models are available for download for KYDDLM31.23-8F5H-36-C4U4-140-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 KYDDL,
or try a keyword search, such as Visible LEDs