However, the ABS and PLA filament refills for the Create+ pen-which come in a wide range of colors and types-are the most expensive of any pen we tested. The Create+ comes with 75 10-inch strands of plastic, which is more than you get with most of the pens we tested. Safe: The pen shouldn’t give off dangerous or overly smelly fumes.A 3D pen that can work with a range of materials and brands is better. Widely compatible filament: Most 3D pens are compatible with lots of different brands of filament, but some require uniquely designed plastic that has special features-or locks you into buying from the same company.It’s a bonus if the pen has a generous replacement policy or warranty. Good customer service: The company behind the pen should be reachable if something goes wrong.In our experience, a cord of less than around 6 feet of length still felt a bit too short. Portable: The pen should be cordless or at least have a cord that’s long enough to use in a variety of work environments.Swappable tips: Pens that come with (or have the option to buy) multiple tip sizes allow you to draw in different thicknesses, which is useful for switching between details and filler.Easy to load: Whether you want to load in a fresh string of plastic or swap the existing one for a different color, it should be simple and fast to load and unload filament.Continuous extrusion: A continuous-extrude option (where you simply press a button once to start drawing) is easier on your hand during longer drawing projects than a button you have to hold down.Customizable settings: Pens that give you a choice of extrusion speeds make it easier to switch between slower detail work and faster infill work, and multiple temperature settings make it possible to work with a wider range of filament types.
Reliable: The pen shouldn’t be prone to filament clogs or break easily.And the heat from the part of the pen that melts plastic shouldn’t make the grip area uncomfortable to hold. Although one of our experts said it’s possible to get used to the shape of any 3D pen, we preferred a pen with a more ergonomic shape that’s comfortable from the start. Comfortable to hold: Because 3D drawing projects usually take significant time, comfort is important.
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