There is a wide range of polishes that are used for polishing. Sanding Papers of different grits (Image Courtesy: Sandpaper and its various hardness indices by Instructables Licensed under CC BY-SA 4.0)Īfter eliminating the top layer blemishes with sanding, it is time to give it the final finishing touch. However, for PLA or ABS-based objects, the vibration and heat from the tool can lead to excess removal or melting of the plastic. It is very tempting to use power tools for sanding. Depending on the material of the model ( PLA, ABS, etc) and the desired finish, you can pick the sanding paper and the duration of sanding. In the beginning, you can start with a sanding paper of 100–200 grit. Here is what you can expect from sanding .
Sanding helps remove stepping layers in your model. Sanding and polishing are used to smoothen the texture of the 3D prints. Trimming (Image courtesy: Custom made orthoses printed on a 3D printer by It is the most basic step in the post-processing of 3D-printed objects. Some of these can be trimmed using a pair of scissors, tweezers, a trimming knife, etc. Trimming of supports in a resin printed model (Image Courtesy: The 3D model by Creative Tools Licensed under CC by 2.0) Though supports come out easily, the connecting points sometimes leave residual.
It can also be the residual connections of support structures. Depending on the precision of the printer, or the sharp corners in geometry, it is likely to leave some extra strings or blobs. Trimming is done for the models that have a residual of significant size.
Subtractive methods involve the removal of extra unwanted materials out of the existing modeling. These can be classified into three different categories. Many techniques are used to smoothen 3D prints. Whether you use an FDM or SLA printer, finishing touches can simply elevate your 3D prints to the next level. Do you want to get rid of the lines on the surface of your 3D prints? Or make it smooth and shiny? If yes, then you may need to consider some post-processing techniques to smoothen your 3D prints.įor all those 3D print enthusiasts - it is well-known that post-processing is the most important part of the entire 3D print manufacturing.
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