When comparing Makerbot ABS Filament vs NinjaFlex Flexible Filament, the Slant community recommends Makerbot ABS Filament for most people. In the question“What are the best filaments for 3D printing?” Makerbot ABS Filament is ranked 4th while NinjaFlex Flexible Filament is ranked 5th. The most important reason people chose Makerbot ABS Filament is:
Using this filament, it's unlikely you'll run into issues or have inaccurate diameters, given that it's a pretty standard ABS filament, with nothing remarkable or unusual about it.
Specs
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Pros
Pro Unlikely to create issues
Using this filament, it's unlikely you'll run into issues or have inaccurate diameters, given that it's a pretty standard ABS filament, with nothing remarkable or unusual about it.
Pro Supports "post-processing"
The objets printed with this filament can be subjected to some post-processing. For example, acetone can be used to "weld" multiple ABS parts together, for surface smoothing surface or to create a gloss. The process itself is a bit messy, but there are plenty of tutorials available online.
Pro Protective packaging
The filament itself is very precisely reeled around the spool, which is then vacuum-sealed in a film with a silica packet, and all of this is neatly placed inside a rigid cardboard box.
Pro Recovers original shape after deformation
This is truly elastic material, which means that the material will deform under stress (stretched or compressed), but the moment stress is removed, the material original shape is restored. The exception is if tensile/compressive yield point is reached: in this case permanent deformation occurs. This filaments tensile yield point takes place at 660% elongation, which means it's very hard to break this material only by applying tensile stress.
Pro Good chemical resistance to a variety of substances
This filament has limited resistance to a variety of alcohols, alkali and organic substances (fuels, oils, etc.). This contrasts with what happens with many other 3D printable material, that can't even withstand contact with water.
Pro NinjaTek has published several case studies of filament applications
Several examples of how NinjaFlex was used in real-world applications are available. This is a great move from NinjaTek, since, even though it is useful to see how good a product is “on paper”, it’s even better to see examples of how it was actually used. All case studies are well documented and provide visual evidence of successful use.
Pro Can be used with virtually any standard 3D printer
You can use this filament with pretty much any standard 3D printer, since it's available in the two most commonly used diameters: 1.75 mm and 3.0 mm. The 3.0 mm spools are cheaper than the 1.75 mm ones. This is because it’s generally cheaper to produce 1 kg of 3.0 mm filament than 1 kg of 1.75 mm filament.
Pro Available in 10 different colors
This filament is available in 10 different colors, all of which are of very high quality and look rich.
Pro No heated printed bed required
This filament can be used with a printer without a heated bed, which is very convenient, since many 3D printers don't come with a heated bed by default or don't even have the option of adding one. Nevertheless, if your machine does have a heated bed, you can set it to 40ºC (recommended) and improve surface adhesion.
Cons
Con Impossible to be used with a 3.0 mm extruder
If your printer has a 3.0 mm extruder, you won't be able to use this filament, since it only comes in 1.75mm form. For Makerbot, this is justifiable, since all of their hardware uses 1.75 mm.
Con Expensive
You can find equally decent ABS filaments for half the price of this one. However, getting this more expensive premium ABS filament may buy some peace of mind. But it should be noted that, given that these are simple standard ABS filaments, it's unlikely there will be a major difference between the results obtained when using this one and those obtained with most less expensive alternatives.
Con Requires a 3D printer with a heated bed
As is the case with all ABS filaments, you cannot print this filament using a 3D printer that lacks a heated bed. In order for the first layer to adhere properly, the filament requires high temperatures. Otherwise, it may detach from the bed plate. Kapton tape is also recommended, to improve adhesion.
Con Complicated to print without a direct-drive extruder
The filament itself is very flexible, which means that non-direct-drive extruders will have the issue of their bowden tubes clogging up. This is normally fixed by experimenting with the material feed rate and the extruder temperature (this tweaking process takes some time and effort). Double check if you have a direct-drive extruder before purchasing this filament, which avoids this bothersome process.
Con Unprotective filament packaging
The filament packaging doesn't provide adequate protection for the material, which is quite surprising, considering its high price. The spool is shipped simply sealed with a vacuum film (without a silica pack) contained in a simple box. There's no proper external packing to protect the filament from mechanical damage. If the film breaks, the filament becomes vulnerable to air humidity, absorbing water and, consequently, compromising the printing process.
