my first cad design(s). ive been into and installing car audio for nearly 30 years. The quality of those installs and the fit and finish have always been priority. there were limited options for securing large power cable available and what was  available didnt fit my needs so i designed my own.  single, dual, triple and quad configurations to accommodate most any install

30% infill was chosen so they are robust. not only because 1/0 cable is heavy but i found it also helps resistance to high temp areas like under the hood.

I have a dozen of these in the engine bay of my vehicle printed in standard PETG. They have been installed for 5 years some are  are mounted right above the radiator others  within 200mm of the exhaust headers. they arent brittle nor have they warped or melted.