What things need to consider before buying 3d printer?

Before buying a 3D printer, consider factors like print quality, build volume, material compatibility, and ease of use. Check whether you need an open-frame or enclosed model, and look at features such as auto-leveling and connectivity options. Also compare maintenance needs, replacement part availability, and overall cost, including filament expenses. Finally, choose a reliable brand with good customer support to ensure a smoother experience.