Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5800511.

Honda Civic 8th Gen driver's floor mats are held in with plastic clips on large metal poles. Without the clips, the floor mats come loose, and the poles are uncomfortable to step on. These clips lock onto the metal poles, keeping the mat in place and softening the blow to the feet.

Admittedly a niche thing to print, but I did make some for my friend too, who coincidentally has the same car with the same missing clips.

I'll get some better photos soon.