You most definitely want to avoid PETG as it is pretty... flexible... PLA is the way (the MPCNC, for example, is designed with PLA in mind) in this case, as wi

You most definitely want to avoid PETG as it is pretty... flexible... PLA is the way (the MPCNC, for example, is designed with PLA in mind) in this case, as with ABS you most likely need higher printing temps, bed temps, an enclosure to keep even the slightest drafts out...