Based on this product's specifications, here are some alternatives and similar models
LED corner conductive module MODOLED MLP1077M, white
Summary description:
MODOLED MLP1077M is a white corner conductive LED module designed for creating illuminated corner joins in LED signage and lightbox applications. The module provides a right-angle connection point where conductive mounting is required. It is suited for sign makers and installers for forming continuous LED runs around corners and edges in indoor or sheltered outdoor installations.