I was wondering if someone could help me out? My computer isn't the best

I was wondering if someone could finish a model for me? It shouldn’t take that much time it’s in freecad i’ll give the all the measurements I want ect. My pc won’t do it anymore. Its so many faces on it i had to unplug my computer because it froze for like a couple hours and now it won’t now I can’t open the file into my freecad it goes to the black screen of death every time it gets towards the end