Take It Apart Tomorrow.
A practical Gunpla guide to planning disassembly before painting, illustrated with my MG Wing Gundam Zero EW Ver.Ka.
Dry fit means assembling parts without glue to check their fit and structure. For a painted Gunpla build, that check also needs to answer another question: can I separate the parts again without damaging them?
This guide brings together the preparation methods I used on my Wing Zero. It focuses on decisions you can make before pressing a difficult connection fully together. The model in the photos is an unpainted test build.
1. Decide what needs a full dry fit
Look at the instructions before closing an assembly. Identify small inserted parts, hidden pegs and pieces that will become inaccessible behind another component. If a part does not need to be installed to check the structure, you can leave it out until later.
On Wing Zero, I also wanted to understand the large wing mechanism. Moving the wings during the dry fit is an opportunity to look for surfaces that could rub after painting. The same idea applies to armor panels near a moving joint.
Planning tip: test an assembly in stages rather than treating full assembly as the only goal. Photograph the arrangement and keep small parts together when taking it apart.
2. Check remaining nub marks before forcing a fit
A small piece of gate left on a mating surface can stop parts from sitting correctly. If a panel leaves an unexpected gap, check the nub and orientation before pushing harder.
I use a second cut where it helps, especially on visible outer armor. I do not insist on the same amount of cleanup everywhere. Hidden areas still need enough attention to fit properly; cosmetic work depends on the intended finish.
3. Trim a selected snap-fit peg gradually
Some snap-fit connections grip more strongly than I want for a temporary assembly. On selected Wing Zero parts, I cut the tip of the male peg diagonally to make later separation easier.
Remove only a small amount, then check the grip. Stop while the connection still supports the part securely. An over-trimmed peg can leave armor loose. Do not apply this method automatically to load-bearing pivots or moving joints.
4. Give a trapped part a way out
Some inserted pieces have no useful edge to hold once installed. This is not limited to clear parts. Before fitting one of these pieces, I checked whether a concealed opening behind it would allow a slender tool to push it out.
For the illustrated Wing Zero part, I used a 1.5 mm drill bit to make the access hole. Choose a location and size that suit the actual part: check the wall thickness, the inserted piece and what will remain visible before drilling.
The idea is to reach the back of the inserted piece so it can be pushed outward gently. Do not drill into the piece you want to remove or through a visible outer surface. If there is no suitable concealed location, leave the piece out during the dry fit instead.
5. Adjust a stiff joint before applying more force
A joint that feels unusually tight deserves inspection. First check that it is correctly oriented and free of remaining nubs. On a selected Wing Zero joint, I carefully eased the socket with a round file.
Work in small steps and test between adjustments. Removing too much material can make the joint unable to hold its position. This is a different task from trimming the tip of an armor peg: a moving joint needs enough friction to support the model.
Before taking the model apart for painting
- Check that armor sits correctly without forcing it.
- Identify inserted parts that could become trapped.
- Confirm that modified pegs still hold securely.
- Check tight joints and surfaces that rub during movement.
- Keep the disassembled parts organized for painting and reassembly.
You do not have to remove every sink mark or parting line before moving on. Prioritize visible surfaces and defects that affect assembly or the finish. Preparation should make the rest of the build easier to complete.
See these methods in the full build
The Wing Zero article adds runner organization, surface cleanup, the wing structure and Neo Bird Mode to the techniques shown here.
MG Wing Gundam Zero EW Ver.Ka — Assembly & Dry Fit Guide →