AW-031A Photo Etch Thruster Nozzles: Model Kit Uses FAQ
By Newtype: Gundam Model Kits / Gunpla / Paint / Tools | Published: 2026-10-31
Category: Product Reviews
Straight answers on where AW-031A photo etch thruster nozzles fit on Gunpla, how to attach them, and when metal thruster detail parts are worth the extra work.
Quick answer
Use AW-031A photo etch thruster nozzles when you want sharper, thinner nozzle rims on 1/144 or 1/100 kits without replacing the whole thruster housing. They are best treated as a detail upgrade for visible exhausts, not as a structural part.
Where photo etch nozzles change the look most
The biggest visual gain comes from nozzles that face the viewer or catch light at an angle: backpack thrusters, leg verniers, and skirt-mounted exhausts. On those spots, the thin metal rim reads as a distinct edge that plastic often rounds off. Nozzles tucked under armor or pointed at the display base add work with little payoff.
Because AW-031A is listed for both 1/144 and 1/100, the same set can serve a small and a large kit, but the visible size difference means you should test placement before committing glue. The catalog does not list individual nozzle diameters, so dry-fit against the kit part rather than assuming a drop-in fit.
The trade-off: detail versus handling
Photo etch is thin and easy to bend, so it rewards careful handling and punishes rough assembly. If the kit will be posed, played with, or packed for transport, protruding metal rims can snag. Reserve these parts for display-focused builds or for nozzles recessed enough to stay protected.
There are no instructions in the set, which is deliberate: the details are made for you to decide. That freedom is useful for custom builds but means you supply the judgment about orientation and placement.
AW-031A questions answered
- Do I need special tools for photo etch thruster nozzles?
- You need a fine side cutter or hobby knife to separate parts from the fret, plus tweezers and a smooth hard surface for bending. A small file or sanding stick cleans the attachment nub. None of these are included, so gather them before starting.
- Should I glue or paint first?
- Attach the nozzle first, then paint, unless the surrounding area needs a color the metal would block. Gluing bare metal to painted plastic risks a weak bond, so scrape a tiny contact point to bare plastic before applying CA glue. Paint metal parts only after the glue has fully cured. Test the bond on a hidden area before committing to a visible nozzle.
- Will AW-031A fit my kit without modification?
- Not guaranteed. The set covers 1/144 and 1/100 but gives no per-nozzle dimensions, so compare each piece to the kit's existing nozzle and be ready to sand, shim, or enlarge the opening. If a nozzle is much smaller than the kit part, it can sit inside the housing as an insert rather than replacing it.
- Can I use these on a painted kit?
- Yes, but plan the order. If the kit is already painted and cleared, handle the metal parts with tweezers and glue them at the contact point only. Solvent glues can mar surrounding paint, so use CA glue applied with a toothpick.
- Are metal thruster detail parts worth it on a small 1/144 kit?
- Only on nozzles that stay visible. At 1/144, the metal rim is subtle, so the upgrade pays off most on a focal backpack or a raised vernier. If the nozzle is hidden by armor or a stand, the effort is better spent elsewhere.
Product facts
- AW-031A Photo Etch Thurster Nozzles: AW-031A is a photo-etched thruster nozzle set listed for 1/144 and 1/100 scale, with no instructions included. You can plan it for either grade, but you must decide placement and orientation yourself instead of following a step sheet.
AW-031A Photo Etch Thurster Nozzles
