Spark plug wire holder

I have a 92 GMC K2500 suburban with a 454 engine and the spark plug wire holders where dry rotted and broken. So I sketched these up to fit on the OEM metal wire holder brackets. I printed it flat but you will need supports for the ears on the sides of the holder. You might have to sand down the supports to get the clip to fit on. It's made to be a tight fit for a 8mm spark plug wire and I added a clip to hold it from slipping out. I made a 2, 3, and 4 plug holder Printed it with PC filament cause it can with stand the heat better.