1/3 scale: 28mm & 20mm
1/4 scale: 20mm & 15mm
1/5 scale: 16mm & 12mm
All instruments need to be assembled:
Cut out the instrument face and back plate.
Glue instrument face to back plate. Use glue suitable for paper.
Insert back plate into round frame.
Use hot glue or any other glue with large viscosity to fix back plate to round frame. Do not use CA.
Use hot glue or any other glue with large viscosity to fix round frame to instrument panel. Do not use CA.
To imitate clear lens: Use clear gloss paint.