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Frosting

Frosting

Frosting in 3D printing refers to a post-processing method used to achieve a fine, matte surface finish on transparent resin parts. The frosting process involves lightly sanding the surface of a printed part(, usually with sandpaper or similar abrasive material), to diffuse light and reduce transparency, creating a frosted appearance. It can conceal minor surface imperfections, enhance visual quality, and improve the tactile feel of parts, making them less slippery and easier to handle.

  • Quote group Color
  • Extra finishing lead time 1 extra day after printing
  • Print processes that support this finish Metal | SLM, Polyamide(Nylon), Resin | SLA

What Frosting does for 3D printed parts

Frosting is one of the 3D Plus hardware finishing services on AIHFABS. It is applied after printing so the part leaves production closer to a usable product—not only a raw build. Use this page to decide whether Frosting matches your cosmetic, durability, or assembly requirements before you upload a file.

Frosting in 3D printing refers to a post-processing method used to achieve a fine, matte surface finish on transparent resin parts. The frosting process involves lightly sanding the surface of a printed part(, usually with sandpaper or similar abrasive material), to diffuse light and reduce transparency, creating a frosted appearance. It can conceal minor surface imperfections, enhance visual quality, and improve the tactile feel of parts, making them less slippery and easier to handle.

Finishing is quoted with the print. Select Frosting in checkout, review price and lead time, and keep printing plus post-processing in one order instead of coordinating a second shop.

Why teams specify Frosting

Appearance

Frosting can hide layer lines, even out color, or create a more uniform surface for display models, consumer housings, and review samples.

Performance

Depending on the process, Frosting may improve wear, corrosion resistance, grip, or light diffusion so the part survives handling and end use.

Ready-to-assemble parts

When Frosting is combined with printing, you receive parts that are closer to install-ready, reducing secondary work in your own workshop.

How to order this finish

Ordering Frosting follows the same 3D Plus software flow as a standard print. You do not need a separate finishing RFQ for catalog options.

  1. Upload the CAD file

    Use STL, STEP, or another supported format. The quoter checks volume and geometry so finishing can be priced against the actual part.

  2. Choose print process, material, and Frosting

    Pick SLA, SLS, MJF, SLM, FDM, DLP, or CNC where applicable, then add Frosting and any other 3D Plus hardware options the part needs.

  3. Compare price, lead time, and checkout

    Review supplier options, confirm quantity, and place the order. Printing and finishing stay on one timeline and one invoice.

Compatible processes and design notes

Frosting is typically applied to plastics or metals produced with industrial 3D printing. Compatibility depends on material, wall thickness, and whether the surface can be reached by spray, media, chemistry, or tooling. Deep recesses, thin walls, and optical faces may need design review. If the automatic quote cannot apply Frosting to your file, request a manual quotation.

Need Frosting on a batch, a mixed-material assembly, or a part that also requires tapping or painting? Keep those options in the same quote so lead time includes the full stack of operations.

Options in the online quote

These are the 3D Plus rows tied to Frosting. Compare the look, extra days, and which materials each option supports before you upload.

Materials you can pair with Frosting

Only these grades can take this finish in the instant quote. Open a material for specs, or upload a file and the quoter will only show compatible options.

Upload a CAD file Create a project Talk to an engineer Browse materials

Frosting questions

Answers that apply to Frosting on AIHFABS 3D Plus hardware — materials, size change, and how to order it with the print.

What is Frosting on a 3D printed part?

Frosting in 3D printing refers to a post-processing method used to achieve a fine, matte surface finish on transparent resin parts. The frosting process involves lightly sanding the surface of a printed part(, usually with sandpaper or similar abrasive material), to diffuse light and reduce transparency, creating a frosted appearance. It can conceal minor surface imperfections, enhance visual quality, and improve the tactile feel of parts, making them less slippery and easier to handle.

Which printed materials can take Frosting?

Frosting is a color or optical finish. SLS and MJF nylon take dye; resins take paint, primer, frosting, and clear coats; aluminum and other metals take anodizing, plating, or e-coat. The quoter only offers Frosting when the selected material can accept it.

Does Frosting change dimensions or hide layer lines?

Paint, plating, and e-coat add a thin film. Dye soaks into nylon with little build-up. Frosting and clear coats change how light hits the surface more than the CAD size. Call out fits and optical faces in the quote notes so they can be masked.

Will Frosting make a resin part glass-clear?

Transparency polishing and clear coat improve gloss and reduce scatter on clear resin. Frosting and translucency diffuse light instead. Neither turns an opaque resin into a window.

How do I add Frosting to a quote?

Upload the CAD file, choose a print process and material, then turn on Frosting. Price and lead time update on the same order. If the automatic quote cannot apply it, request a manual quotation and note fits or color codes.


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