Once you get to a certain level of scale modeling, you’ll start making parts that need to be produced in multiples and may not be commercially available. This is most easily dealt with by making a single “master” part and then reproducing it with a mold and resin-casting liquid. Resin-casting is considered an advanced modeling technique, but you’ll be surprised by how easy it is to do if you know the proper materials and techniques to use. Here’s how I made several 1/3-scale spark plugs for a resin-casted rotary engine in my latest project.
The dummy rotary engine I installed in my giant-scale Fokker Triplane is available from Nick Ziroli Plans (ziroliplans.com), and just like all other parts of a scale model, the finer details are what make it look realistic…
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