When do you need to 3D print with support material?

Support with the original material
Supporting with PVA filament
Supporting with PVA+ filament
Supporting with the original material
Supporting with PVA filament
PVA stands for polyvinyl alcohol and is a soft and biodegradable polymer that is very sensitive to moisture. When PVA is exposed to water, it will dissolve. Therefore, it is perfect as a carrier material for 3D printing. After printing, the filament can be easily removed by dissolving it in cold or lukewarm water. PVA is often used in conjunction with PLA filament, but is now increasingly being applied to other filaments such as PET-G. In addition, there are several new modifications that make it possible to use PVA with higher temperatures. For example, we are talking about PVA+.
Supporting with PVA+ filament
The major advantage of printing with support material is that it is easily removed without leaving parts behind or damaging the 3D model. A disadvantage is that support filaments are often more expensive than the base filament and can only be printed on a 3D printer with a dual extruder. dddrop also sells its own support material for the best printing results.