This is a fix for the pegs on romer g keycaps that break so easily

all you need to do is break the original ones off the broken keycaps apply hot glue and you're done

make sure its the right orientation this work for all the letter keycaps on your keyboard

there is a hole in the middle for the light to pass through 

the pegs are really small so cooling might be a problem make sure to add layer time and print slowly

for better results print with

layer height 0.2 

0.4 nozzle

PETG