M16 Cable Gland mount to a 2020 extrusion

Used on my Mercury One conversion of my Ender 5 to support the umbilical cable to the hot end. I also included a 4mm hole to support the filament feed tube to the hot end. The hole is printed rather tight, so it may need to be enlarged slightly depending on your tube size. The countersunk holes are oversized to support both M5 BHCS and SHCS.