Summary

A mount plate for TriangleLabs Matrix Lite for Ender 3/Pro. For mount versions matrix_lite_mount_plate_bltouch and matrix_lite_mount_plate you need to disassemble extruder (mount only motor first)

Versions matrix_lite_mount_plate_bltouch and matrix_lite_mount_plate are installed without removing the carriage by mounting the plate on 4 screws (2 pcs 8 mm screws m3 and 2 pcs stock screws 6 mm m3 with washers)

A duct mount you can found here https://www.thingiverse.com/thing:5201971