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Building a Custom 30MS Character: Using Atria Base Parts

Building a Custom 30MS Character: Using Atria Base Parts

By GUNNZO | Published: 2026-08-19

Category: How-to Guides

Learn how to build a custom 30MS character using Atria base parts. Step-by-step guide on combining option parts, painting, and finishing for a unique model.

Building a custom 30MS (30 Minutes Sisters) character is one of the most rewarding experiences in model kit customization. The 30MS line offers incredible flexibility, allowing you to mix and match parts from different kits to create a unique character that reflects your personal style. In this guide, we'll focus on using the Atria base parts as a foundation, and show you how to enhance them with option parts, painting, and finishing techniques.

Whether you're a beginner or a seasoned builder, this step-by-step guide will walk you through the entire process, from planning your design to applying the final top coat. By the end, you'll have a custom 30MS character that stands out on your shelf.

Why Choose Atria Base Parts?

The 30MS Atria base body is a fantastic starting point for customization. It offers a well-proportioned frame with excellent articulation, making it easy to pose and display. Atria's design is relatively neutral, which means it can be adapted to many different character concepts, from fantasy warriors to futuristic sci-fi heroes.

One of the key advantages of using Atria is the compatibility with the 30MS option parts system. You can easily swap out the face, hair, and armor pieces to change the character's appearance. This modularity is perfect for builders who want to create multiple custom characters without having to buy entirely new kits.

  • Atria base body provides a solid foundation with good articulation.
  • Compatible with a wide range of 30MS option parts.
  • Neutral design allows for endless customization possibilities.

Planning Your Custom Build

Before you start snapping parts together, it's important to plan your custom 30MS character. Think about the overall theme or concept. Are you aiming for a medieval knight, a modern-day streetwear look, or a sci-fi soldier? This will help you decide which option parts and colors to use.

Consider the color scheme. You can use the existing colors of the parts, or you can paint them to match your vision. If you plan to paint, make sure you have the right supplies, such as primer, paint, and top coat. For a smooth finish, you might want to use a panel liner to add depth to the details.

  • Sketch out your character concept to visualize the final look.
  • Choose a color palette that complements the character's theme.
  • Gather all necessary tools and paints before starting.

Step-by-Step Assembly

Start by assembling the Atria base body according to the instructions. This will give you the core figure that you'll build upon. Take your time to ensure all parts are securely fitted, but don't glue anything yet—you may want to disassemble for painting.

Next, select the option parts you want to use. For example, the 30MS OP-12 Option Parts Set 12 Reaper Costume [Color A] is a great choice for a dark, edgy character. It includes a hooded cloak and scythe that can dramatically change the silhouette. Alternatively, you can mix parts from different sets to create a unique look.

30MS OP-12 Option Parts Set 12 Reaper Costume [Color A]
30MS OP-12 Option Parts Set 12 Reaper Costume [Color A]

Once you've decided on the parts, test-fit them to see how they look together. Make any adjustments as needed. If you're satisfied, you can then proceed to painting.

  • Test-fit all parts before painting to avoid mistakes.
  • Use a hobby knife to clean up any nubs or seams.
  • Consider using a pin vise to add extra connection points for custom parts.

Painting and Finishing Techniques

Painting your custom 30MS character is where it really comes to life. Start by applying a primer to all parts that you plan to paint. This will help the paint adhere better and provide a uniform base. For a smooth finish, use thin coats and allow each to dry completely.

When choosing paints, consider the color scheme you planned. The Citadel Base: Thondia Brown is an excellent choice for dark browns, while Citadel Air: Fenrisian Grey offers a nice blue-grey tone. These paints are designed for miniature painting and provide good coverage.

After painting, apply a panel liner to the recessed areas to add depth and definition. Finally, seal your work with a top coat to protect the paint and give it the desired finish—matte, satin, or gloss.

  • Always prime your parts before painting to ensure durability.
  • Use a wet palette to keep your paints from drying out.
  • Apply multiple thin coats rather than one thick coat.

Accessorizing and Display

To complete your custom 30MS character, consider adding accessories that enhance the theme. For example, the Chogokin Sand Land Tank 104 can serve as a display piece alongside your character, or you can use it as a diorama element. Alternatively, the Smiski Plush Keychain - Hanging on adds a fun, whimsical touch to your display.

When it comes to displaying your custom figure, a good action base is essential. The Action Base series offers stable stands that allow you to pose your character in dynamic ways. If you don't have one, you can also use a simple stand or even a clear acrylic case to protect your work.

Finally, consider the lighting and background of your display area. A well-lit shelf can make your custom 30MS character stand out even more.

  • Use a display stand to show off your custom figure.
  • Add small props or accessories to tell a story.
  • Keep your display area clean and dust-free to maintain the finish.

Building a custom 30MS character using Atria base parts is a fun and creative process that allows you to express your unique style. With careful planning, assembly, and painting, you can create a one-of-a-kind figure that you'll be proud to display. Don't be afraid to experiment with different option parts and color schemes to make your character truly yours.

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