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Masking

Design custom masks to protect selected surfaces and features during surface treatment.

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The challenge

Masking parts for shot peening, blasting, or coating by hand is time-consuming and inconsistent. Off-the-shelf masks rarely fit complex geometries, leaving gaps that expose surfaces that should be protected.    

Design automation

Design automation reads your workpiece geometry and generates a mask body that conforms precisely to every surface, hole, and thread you need to protect. Alignment keys and retention features are built in automatically, so the mask stays exactly in position during treatment. Pull tabs and handling features can be added in a single click, making removal fast and safe without damaging the part.

The result

 The Masking App in the Additive App Suite is a fast, browser-based tool that turns your workpiece geometry into a precise, reusable mask — with automatic surface conforming, built-in retention, and easy removal features ready for 3D printing in minutes.

6 simple steps and your design is ready

Design workflow

Step 1

Import your workpiece

Start with the real part so every design fits perfectly.

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Step 1
Step 2

Choose treatment areas

Select surfaces that should remain exposed during the masking process.

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Step 2
Step 3

Add locator pins

Use existing holes in the workpiece to add locator pins so you can accurately position the mask every time.

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Step 3
Step 4

Add features

Add locating guides, nodes, and handles to improve the positioning, stability, and usability of the mask.

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Step 4
Step 5

Adjust mask frame

Control the overall thickness and stiffness of the generated mask structure in a few clicks.

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Step 5
Step 6

Export for production

Download the finished design in a format ready for 3D printing.

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Step 6

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