Mike, some types of 3d printed plastic (e.g., PET or PETG) are considered food safe, at least as far as the plastic is concerned. The somewhat porous nature means that cleaning the plastic thoroughly is an issue. Still, if you already have a 3d printer, a print is cheap to make, perhaps even for a one-time use - something I've thought about, but haven't actually tried yet. I have, however, printed out some draining stands that go in the bottom of my ripening boxes, and keep intending to design and print a stand to hold my camemberts (or "malembries") once they are wrapped and in the cold fridge.