Removing Nut Marks on Model Kits

Introduction

• Presenter: Hiro
• Focus: Technique for removing or minimizing nut marks on model kits
• Example model: 1:144 RX-78 Gundam
• Important note: Technique does not work on CO2 models like gold or titanium finishes

Steps to Remove Nut Marks

1. Remove the Part
   • Detach part from sprue, leaving some gate material behind
2. Trim Remaining Gate
   • Cut off excess gate to create a clean surface
3. Identify Nut Mark
   • Notice visible nut mark on the surface

Sanding Process

• Start Sanding

  • Use 400 grit sanding material for initial sanding
  • Sand until nut mark is less visible

• Progress to Higher Grits

  • Move on to 600 grit, then 800 grit
  • Final sanding with 1500 grit
  • Surface should be ready for painting or polishing

Polishing

• Polish Surface

  • Use 4000 grit sanding material for polishing
  • Aim for a semi-gloss finish

• Optional Further Polishing

  • If unsatisfied, continue polishing with 8000 grit

Final Result

• Nut mark effectively removed
• Surface sheen differs from non-sanded areas

Additional Uses

• This technique can also be applied to remove seam lines on models

Conclusion

• Encouragement to like and subscribe for more videos
• Invitation for questions in the comments

Closing

• Thank you from Hiro for watching the video