After desoldering the switches, print 5 of these, upside down print direction turned 90° so it matches the brushed aluminium.
No support, 0.2mm, PETG
(update: added 2 test switch cover stl's, since someone asked for it. difference is probably spacing or something, I don't remember)
https://www.reddit.com/r/MechanicalKeyboards/comments/si6a7d/removed_gkeys_from_logitech_915_lightspeed_3d/
The author marked this model as their own original creation.