Chrome parts—especially on 1/24-scale vehicles—need to be shaded because the shine obscures the details...
The method isn't complicated...
First of all, it is very important to lay the parts to be treated flat during the application and drying process. This ensures that the paint will flow evenly into all the recesses. Use heavily thinned Humbrol matte black. Lay the pieces flat and, using a fine brush, apply the thinned paint to the recesses. The oil tends to run, and sometimes you’ll need to add more after the first drying to complete the effect. Let everything dry thoroughly...
