Preserve Your Kit’s Texture While Preparing It for Paint

A painted Gundam can look dramatically different, but a heavy-handed preparation process may erase the fine moulded detail that gives the kit its character. Panel lines, armour ridges, vents and subtle mechanical surfaces all need to survive washing, sanding, priming and masking.

The aim is a clean, paint-ready surface rather than a perfectly featureless one. With controlled abrasion, thin primer layers and regular inspection, builders in Australia can prepare everything from a High Grade mobile suit to a small SD kit while retaining the original texture.

Inspect, Wash And Plan Before Cutting

Begin by studying the runners and the assembly instructions. Look for mould seams, ejector marks, shallow panel lines and areas where parts rub together. Planning the order of construction is useful here; this runner-to-pose workflow helps identify which sections are easier to paint separately.

Wash the parts in lukewarm water with a small amount of mild dishwashing liquid. This removes mould-release residue, dust and fingerprints that can interfere with primer adhesion. Use a soft toothbrush rather than a stiff nail brush, and rinse thoroughly. Allow parts to dry completely on a clean cloth before sanding.

Avoid soaking delicate polycaps or stickers. Keep small parts in a labelled tray, especially if you are working on a compact desk in an apartment in Sydney or Melbourne. Losing a tiny armour piece during preparation is far more frustrating than spending a few minutes organising it.

Remove Seams Without Flattening Detail

Use a sharp hobby knife, sanding sponge or fine file to reduce nub marks and seam lines. Work locally instead of sanding across an entire panel. A 600- to 800-grit abrasive is usually suitable for refining plastic, while 1000 grit or finer can smooth the area before primer without leaving deep scratches.

When a seam runs through raised detail, stop before reaching the feature and finish the edge with a folded sanding strip or a small sanding stick. For recessed panel lines, protect the surrounding area with masking tape or use a narrow file. Do not chase every tiny mark if doing so risks softening a vent or removing a crisp corner.

The Barbatos build guide is a useful reminder that exposed mechanical sections benefit from deliberate part preparation. On an IBO kit, preserving layered armour edges and frame texture often matters more than making every hidden joint perfectly smooth.

Use Primer As A Thin Surface Check

Primer should reveal defects and improve paint adhesion, not become a thick new skin over the model. Spray several light passes rather than one wet coat. Keep the can or airbrush moving, begin each pass off the part and allow a short drying period between coats.

For Australian conditions, temperature and humidity deserve attention. A humid Brisbane day can slow drying and make aerosol primer feel tacky, while a hot, dry afternoon in Adelaide may cause it to dry before it levels. A ventilated indoor spray booth or a sheltered workspace is safer and more consistent than spraying outdoors in wind.

Check the primed part under a bright lamp. If a panel line looks shallower, restore it gently with a scriber before colour coats. If texture has become uneven, let the primer cure fully, then polish only the affected area with fine abrasive. Wearing suitable respiratory protection and following the product label and safety data sheet is essential under Australian workplace and household safety guidance.

Control Paint Thickness And Surface Finish

Choose a primer finish that suits the final effect. A smooth primer supports glossy colour coats, while a slightly toothier surface can help acrylic paint grip. Neither finish should obscure the moulding. Thin paint with the manufacturer’s recommended thinner and build colour gradually.

Airbrushing gives excellent control, but rattle cans can work well when held at the correct distance and used in short passes. Tamiya, Mr Hobby and locally stocked hobby brands are commonly available through Australian retailers, although supply can vary between Brisbane, Perth and regional towns. Buying a spare plastic spoon or runner section creates an inexpensive test surface for spray distance, pressure and colour coverage.

Masking can lift paint or leave a ridge if applied too early. Allow the base coat to cure, press tape onto clean skin once to reduce its grip, and remove it by pulling back over itself. For sharp armour breaks, a very thin seal coat along the tape edge can prevent bleeding without flooding the panel line.

Keep A Repeatable Preparation Routine

A simple routine makes it easier to preserve detail across several kits. Work in small batches, keep abrasive grades separated and inspect each part before moving to the next stage. The quick-build approach described in this guide to SD EX Standard projects is especially helpful when practising controlled preparation on less complex parts.

Australian builders should also plan for solvent disposal. Do not pour paint thinner, lacquer residue or contaminated rinse water down the sink. Follow the product instructions and check your state or council collection service, such as NSW Household Chemical CleanOut or Victoria’s Detox your home program, where applicable. Store chemicals sealed and away from heat, children and pets.

Practical habits for reliable results

• Photograph complicated assemblies before separating parts.
• Mark seam areas with removable tape instead of sanding by guesswork.
• Use magnification and a strong lamp to inspect fine texture.
• Keep a test runner for primer, paint compatibility and masking trials.
• Record the paint brand, thinner ratio and air pressure for repeat builds.

Good preparation should leave the kit recognisable before the colour coat goes on. Share close-up progress photos, paint tests and finished texture work in the Gundam Eclipse forum so other builders can compare techniques, troubleshoot local conditions and add the result to the Display Case.