![]() For more details, check Smooth-On’s technical bulletin here, and there’s a great instructional example here. Pro-Tip: Maintain a weight ratio of 100 Part A to 42 Part B and mix thoroughly for one minute and coat your part within the pot life. Note that a small amount goes a long way, and you should always follow the manufacturer’s recommended pot life. XTC-3D is cost-effective, quick, thin, and high-performing. We’re going to use a thin, sandable epoxy called XTC-3D to fill in the print. Moving the DIM up in our Solidworks model would solve this issue, but we’ll have to find a way to fill these holes with a sandable 3D print filler. These holes can perforate through the finished paint coat and create sinkholes, so we need to find a solution.Īs you can see in the Catalyst tray to the right, there are large holes between the DIM and the edge of the part. 010” can be enough to completely remove any stepping layers and oversanding can compromise critical dimensions.Īfter sanding, there are some holes on our part left by an incomplete layer around the letters DIM. Pro Tip: Sand in small circular movements evenly across the surface of the part, and avoid sanding 3D prints in one direction only, especially in the direction of the stepping lines to prevent striations or “trenches” in the print.īeware that sanding ABS removes material quickly, so be careful not to overdo it - as little as. First, start with 100 – 200 grit sandpaper to remove stepping lines and then gradually increase up to 600 fine grit sandpaper to achieve a smooth finish and remove all sanding lines. Learning how to smooth 3D prints with sandpaper is not as intimidating as it may seem, and sanding our ABS print is simple and straightforward. Foam brush, mixing cups and popsicle sticks.We chose XTC-3D for its viscosity, sandability, and ability to penetrate small perforations, which makes it desirable over Bondo putty) XTC-3D brush-on coating (As an alternative, Bondo putty is a common solution to fill holes in parts.Medium, fine, and extra-fine sanding sponges.The materials needed for finishing 3D printed parts: ABS 3D Printed Part Finishing Process Materials Needed Thankfully, removing these lines is easy thanks to ABS’s high melting point and sandability. If we don’t remove those lines, they’ll show up in the final coat of paint and ruin our smooth finish. There are, however, clear stepping lines between the printed object layer lines. The Dimension Elite prints are smooth, clean, and ready to sand out of a post-printing NaOH bath. Note: We have detailed the print settings process for each material separately below and included a summation of the results in the conclusion of this article. The post-processing for our watch stand involves a combination of repairing and preparing the print for sanding and painting, and the finished sample of all three materials should have smooth, matte black surfaces. VeroBlack or VeroWhite : VeroBlack and VeroWhite create the highest quality parts, with the best dimensional accuracy and the most polished finish.Įvery print presents unique challenges and considerations that must be accounted for in order to arrive at the best finish possible.It’s not as cost-effective as PLA but it provides more reliability than PLA. ABS : For moderate budgets, ABS is a great choice.PLA : PLA is the optimal material choice for tight budgets the results aren’t as polished but the price is cheapest.For the purposes of this analysis, we’re going to compare three base materials: Usually, parts need extra work to get to the desired surface finish, and learning how to create such a finish is a key skill that can save you money on post processing in the long run.ģD printing post processing is ultimately dependent on the type of material your 3D printed part is made from. This stand has pockets and internal and external features that need to be finished to a standard that complements the shiny exterior of an Apple Watch. Let’s start with a simple Apple Watch stand design as a case study. This article details the different 3D printing finishing methods for FDM and PolyJet 3D printed parts, plus techniques and tips to elevate the look and feel of your prototypes. Knowing how to finish 3D prints is a useful skill if you’re 3D printing parts or having 3D printed parts manufactured. VeroBlack 3D Printed Part Priming and Painting VeroBlack 3D Printed Part Materials Needed
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