I opened the doors and trunk on this model so that I could detail and show off the interior and trunk. Takes out an actual small sliver of plastic and does not form the bulge you get along the seam used when just trying to cut using the sharp edge of the blade. The backs of the front bench seat were removed from the one piece kit seat and hinged to tilt forward. Bare Metal Foil was used to trim the interior details. The trunk interior was formed from evergreen plastic sheets and speckle painted.
Speckle painting is a pretty simple and very effective technique that's been around for many years.
Using a Testor's rattle can of enamel primer, spray the the trunk interior. Put the primer on pretty heavy. You can also use flat black as the base color and either chrome or primer as the speckle. The tools in the trunk are from the AMT '49 Mercury kit. The tool box is scratch built.