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ResourcesIndustry DesignProduct Update : Select and Add Multiple Part Finish Combinations in our Instant Quoting Engine℠
A part with chem-film and anodize finishes applied

Product Update : Select and Add Multiple Part Finish Combinations in our Instant Quoting Engine℠

The Xometry Instant Quoting Engine℠ natively supports quoting parts requiring multiple finishing processes! You can now select and apply more than one finish to your parts directly within the quoting engine.

Xomety X
By Team Xometry
March 2, 2022
 3 min read
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Multiple Finish Combinations Now Supported

Do your parts require anodize, chem-film, media blasting, or perhaps a combination of all three? No problem! Thanks to one of the latest Xometry Instant Quoting Engine℠ improvements, quoting parts requiring multiple finish combinations has never been easier!

Thanks to this update, you can clearly define your complex finishing requirements right in the quoting interface. While Xometry has always had the capabilities to quote parts with multiple finish combinations, previous workarounds are a thing of the past! This change also ensures your requirements are clearly and concisely flowed down to our Xometry suppliers. Clearly defined requirements will reduce confusion and the frequency of back and forth correspondences. In this article, we will demonstrate how to use this feature and provide some valuable tips along the way!

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Animation demonstrating how to configure a part with multiple finishes
Animation demonstrating how to configure a part with multiple finishes
Animation demonstrating how to configure a part with multiple finishes

Configuring a part with multiple finishes in the Xometry Instant Quote Engine

How to Select and Add Multiple Finishes to Your Part Quote

Getting a quote started for parts with multiple finish combinations is super simple! Just follow these steps:

  1. Start a new quote or open an existing quote from your account.
  2. Open the 3D viewer by clicking on the part preview image or the Modify Part button.
  3. Once your Process and Material is selected, select the first finish under the Finish drop-down menu.
  4. Click the Add Another Finish button to add more finishes as required.
  5. You can remove a finish by clicking on the trashcan icon next to the selection.

That's it! Please note that due to the complexities and wide array of possibilities, parts containing multiple finish combinations may require a manual review to ensure your quote is as accurate as possible.

Common Finish Combinations

  • Type II anodize + chem-film (chromate conversion coating)
  • Type III hardcoat anodize + chem-film
  • Bead blast + anodize (this provides a matte black finish with low reflectivity)
  • Chem-film + powder coating
  • Multiple metal platings
  • Multiple types of mold finishes for injection molded parts
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A part with chem-film and anodize finishes applied
A part with chem-film and anodize finishes applied
A part with chem-film and anodize finishes applied

CNC Aluminum with chemical conversion coating and a powder coat finish. Silkscreen part marking was also selected.

Xometry Image
See Our Most Common Finishes in Our eBook

Best Practices for Specifying Multiple Finishes

While selecting and specifying your finishes during the quoting process will help avoid confusion down the line, there are a few additional best practices and tips we recommend to ensure the best results:

  • Many shops will defer to your part prints for detailed finishing instructions; please be sure to upload them along with your 3D files when starting your quote!
  • Be sure your drawings include explicit and detailed instructions which call out the type of finish, any finishing specifications and standards to follow, and the location for each finish.
  • Combining corresponding note flags with print detail views is a simple and effective way to clarify.
  • Another effective method to clarify requirements is to include color-coded views of the part on your drawing with additional notes, as seen in the example below. Views like this are handy for parts with highly complex finishing and masking requirements.
  • If you don't have a technical drawing, use the notes section of the quoting interface to provide as detailed information and instruction outlining your requirements as possible, or mock-up and upload a simple image demonstrating your needs similar to the example below.
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3D preview of color-coded model with notes for post-processing
3D preview of color-coded model with notes for post-processing
3D preview of color-coded model with notes for post-processing

Example of using a color coded model preview with additional post processing notes

More Finishing Resources

  1. See visual examples of our 15 most common CNC finishes in our CNC Metal Finishes eBook.
  2. Learn more about the various types of finishes we offer in our Help Center.
  3. Review our guide to Injection Molded Surface Finishes.
Xomety X
Team Xometry
This article was written by various Xometry contributors. Xometry is a leading resource on manufacturing with CNC machining, sheet metal fabrication, 3D printing, injection molding, urethane casting, and more.