3D printed ravioli press and cutter
Posted Sep 2, 2020, 2:21 AM UTC
12328
Came for the food safe arguments. Not disappointed.
6
You can try to mold the 3d-printed stuff though. Either heat up.the 100% infill part, or just mold and use food-grade epoxy resin or something like that to turn a prototype into a tool.
1
STL, please? I am ok to go and do the mold, or resin, or just cook well the pasta after....
1
I’ll upload to Thingiverse later tonight
1
Hey, did you ever get a chance to upload it to Thingiverse?
1
Forgot all about it. You can find it here.
1
Yayy, thanks so much!
1
So, 3D printed stuff is really really not food safe. I wouldn't pipe up about food-adjacent like a bag clip. But definitely unsafe for something directly touching raw eggs. Due to all the grooves and pores, it's impossible to sanitize.
There are ways to make it food safe, such as smoothing then coating it, or using a 3D print as a mold for a poured polymer. Love the invention and a pasta fan myself, but I have to rain on your parade for now.
Edit: ok everyone, enjoy your botulism
0†
I don't know about you, but most people I know do their pasta on their kitchen work tops. They're effectively plastic (even if it's wood it's covered in plastic), and get scratched over time. They're also impossible to fit into a dishwasher. So maybe, just maybe, that widget is not that big of a problem as you think it is?
Edit: and yeah, let's not forget there is literally zero hard data on this, it's all a "common knowledge" passed on by great wizards of 3D printing on reddit. I won't be so sure if I were you
14
Right? Those food-safety-nazis love to brag about how bacteria can get within the layers, like they sterilize all their utensils in a cirurgical manner. The way they say, looks like you will put your print on your dog shit, and then use on your food. For me it's all about the necessity to prove that they "know more". Pain in the butt
8
What if it is a PETg print? isnt that food safe?
3
The material is, and so is PLA, but the little layer lines aren't. To make it actually food safe. Print it in PETG or high temp PLA, then sand it down and paint it with a (food safe) filler, so that it has a smooth surface.
7
If the issue is the grooves and pores, wouldn't cooking them be enough?
2
Yes... cooking the FOOD would be enough.
5
The grooves and pores in the tool harbor all sorts of nasty stuff. There's no guarantee that these nasties will be fully sterilized by cooking. Also, bacteria produce poisons that aren't neutralized by heat.
-2†
The food is being cooked afterwards, so IF there are any bacteria on it, they will be killed off.
1
Or you know just throw it away after
0†
"Hey let me use this specialized machine to inefficiently produce specialized plastic tools with specialized polymer shipped halfway across the globe. Also I'll just throw away the tools after one use."
"WTF why is the planet dying???"
6†
If you have concerns over food safety, just wrap the pieces in saran wrap before using. Then, just toss the saran wrap when finished. Don't count on getting more use out them if they get wet or dirty as they are difficult to sterilize.
Re: Food safety - Glue?
The other idea that I have had (& will prob use) is actually coating the plastic with "food safe" wood glue. The glue is designed to come in contact w/food, such as a glued together chopping board.