this post was submitted on 28 Aug 2025
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[–] Marafon@sh.itjust.works 7 points 14 hours ago (2 children)

Thank you for the knowledge! It looks like foodgrade petg is 3 times the price and I don't plan on changing nozzles and stuff to keep everything kosher anyway. So I reckon I'll use regular petg and hit it with Shellac for the redux. Unless you have a food safe resin seal to recommend based off your research?

Thanks again!

[–] IMALlama@lemmy.world 4 points 9 hours ago

Hobby woodworker here. Shellac is great for an initial seal, but isn't waterproof. I suggest using a two part epoxy instead. You don't need a very thick coat, so you could even use a crack filler and/or self leveling variety.

[–] lowspeedchase@lemmy.dbzer0.com 5 points 13 hours ago (1 children)

No problem - yeah that will probably be just fine, at non-commercial scale the seal will probably never get worn off and if you did ever notice spotting you can just reseal.

Unless you have a food safe resin seal to recommend based off your research?

Nope not yet! Still in the structural phase here so when I get to printing I will share for sure.

[–] Marafon@sh.itjust.works 3 points 12 hours ago (1 children)

Your greenhouse design looks very cool! Consider me subscribed! Looking forward to seeing your progress.

[–] witty_username@feddit.nl 4 points 12 hours ago

You two get a star for pleasant internet conversation