Quick Answer
For most builders, Gundam Markers are the safest and most convenient choice for panel lining, especially for beginners. If you seek precision and are comfortable with careful application and cleanup, traditional panel liners like Tamiya offer deeper contrast and a more refined finish.
Panel lining is the quickest way to make a Gunpla kit look more detailed and finished. The two dominant methods are Gundam Markers (like the GM300 Eraser) and traditional panel lining washes (like Tamiya Panel Line Accent Color). Each has strengths and trade-offs, and the right choice depends on your experience level, the kit's plastic, and the finish you want.
This guide compares the two approaches on ease of use, cleanup, safety, and final appearance. We'll also look at specific products like the GM300 Gundam Marker Eraser and AK Interactive Real Colors Markers to help you decide what to add to your toolbox.
GM300 Gundam Marker Eraser
Ease of Use: Marker vs. Liquid Liner
Gundam Markers are essentially felt-tip pens with paint that flows directly onto the plastic. You simply trace the panel line, let it dry, and clean up the excess with an eraser or a damp cloth. This makes them incredibly straightforward, even for a first-time builder. The GM300 Gundam Marker Eraser is a dedicated tool for removing mistakes without damaging the plastic.
Traditional panel liners, such as Tamiya Panel Line Accent Color, come in a bottle with a fine brush applicator. You touch the brush to the line, and capillary action pulls the paint along. This method is fast and precise, but it requires a steadier hand and a separate cleanup step with enamel thinner or lighter fluid. If you're not careful, the liner can spread outside the line, creating a mess that's harder to fix.
Cleanup and Safety: What to Consider
Gundam Markers are water-based or alcohol-based, so cleanup is simple: use a soft eraser or a cotton swab slightly dampened with water or alcohol. The GM300 is specifically designed for this, and it won't harm bare plastic or painted surfaces if used gently.
Traditional panel liners are enamel-based. They require a solvent like enamel thinner or lighter fluid for cleanup. This solvent can weaken or craze bare plastic if applied too liberally, especially on certain runner plastics. You need to work in a ventilated area and avoid letting the solvent pool on the surface. This makes the method less forgiving for beginners.
Precision and Finish: The Visual Payoff
Gundam Markers come in a range of colors, including grey, black, brown, and even green. They produce a clean, consistent line that sits on top of the plastic. The color options let you match the lining to the kit's color scheme; for example, a brown liner looks more natural on warm-colored parts. The GM300 eraser helps you keep those lines crisp.
Traditional panel liners have a thinner consistency that flows into the finest details, creating a sharper, more recessed look. The paint also dries to a slightly glossy finish that can enhance the sense of depth. If you're aiming for a high-end, competition-level finish, this method often wins. However, the cleanup risk is higher, and you need to be meticulous.
Cost and Value: What's in Your Budget?
Gundam Markers are inexpensive individually, and a set of basic colors can cover many kits. The GM300 eraser is a low-cost accessory that extends the life of your markers by helping you fix mistakes. For a beginner, this is a low-risk investment.
Traditional panel liner bottles are also affordable, but you'll need to add the cost of thinner and possibly a separate brush for cleanup. Over time, the cost can add up, but the results may justify it if you do a lot of detailed work.
Trade-offs at a Glance
- Ease of Use: Gundam Markers are beginner-friendly with simple application and cleanup. Traditional liners require a steady hand and solvent-based cleanup. Choose markers for simplicity; choose liners if you're comfortable with a steeper learning curve.
- Safety on Plastic: Gundam Markers are gentle on bare plastic. Enamel-based liners can craze plastic if used excessively or with too much solvent. Markers are safer for beginners and for kits with delicate plastic.
- Precision and Finish: Traditional liners flow into fine lines and create a deeper, more refined look. Markers produce a cleaner, more controlled line but may not reach the finest details. If you want the highest visual impact, liners win; for a clean, even line, markers are sufficient.
- Cost and Investment: Markers are low-cost, and the eraser is an inexpensive helper. Liners require additional solvent and possibly a brush, increasing the initial outlay. Markers are budget-friendly; liners may cost more upfront but can be more economical over many kits if you already have the solvent.
Products Featured in This Comparison
- GM300 Gundam Marker Eraser: Gundam Marker Eraser GM300 by Mr. Hobby is a dedicated eraser for Gundam Markers, designed to clean up excess ink without damaging the plastic. If you choose Gundam Markers, this eraser is essential for keeping your panel lines sharp and fixing mistakes. It's a low-cost addition that makes the marker method even easier.
- RCM028 Real Colors Markers - RAF Cockpit Grey-Green: AK Interactive Real Colors Markers are acrylic paint markers for modeling. They are fast-drying, waterproof, and can be applied in layers like any modeling paint. While not a traditional panel liner, this marker type offers another option for detailing. Its acrylic formula is safe on plastic and can be used for panel lines or other small details, giving you more versatility.
Which Method Fits You?
Best For
- Beginners who want a safe, easy way to panel line without worrying about damaging their kit.
- Builders who prefer a clean, controlled line and want quick cleanup with minimal setup.
Not For
- Advanced modelers seeking the finest, most precise panel lines with a deep, recessed look.
- Those who are comfortable handling solvents and want to achieve a competition-level finish.
Both Gundam Markers and traditional panel liners have their place. For a quick, safe, and satisfying result, Gundam Markers with the GM300 eraser are hard to beat. If you're ready to refine your technique and don't mind the extra care, a Tamiya panel liner can elevate your builds. Consider your skill level, the project, and the finish you want, and you'll choose the right tool every time.
