Warping! It messes up your 3D printed parts, turning them into a useless, dimensionally-inaccurate mess. You can design your parts around it, or try and improve your printer in various ways. Or, yo… ...

3D-printed lenses fresh (and wet) from the printer look clear, but have tiny surface imperfections that must be dealt with.

My 3D printing journey, part 2: Printing upgrades and making mistakes 3D-printing new parts for the A1 taught me a lot about plastic, and other things.

What I learned from my first few months with a Bambu Lab A1 3D printer, part 1 One neophyte's first steps into the wide world of 3D printing.