If there are divots or craters in your plug/tool while vaccuforming, what should you do?

To effectively deal with divots or craters in your plug or tool while vacuum forming, filling the imperfections is crucial for achieving a smooth and consistent molded part. The ideal approach is to fill with epoxy, as it provides a strong, durable surface that can be sanded down to create a uniform finish. This method ensures that the vacuum forming process produces a flawless final product, avoiding any defects that may result from the original surface irregularities.

Drilling holes into the plug would not address the surface imperfections and might make the situation worse by creating additional points of weakness or compromise in the plug's structure. Ignoring these imperfections typically leads to poor-quality molds and parts, which may not meet design specifications. Sanding the surface evenly could help in some cases; however, it does not adequately address deeper flaws or divots that may still be present below the surface.

The correct method emphasizes the importance of preparing the plug thoroughly before mold making, ensuring that all surface irregularities are appropriately smoothed out. Thus, filling with epoxy directly tackles the problem, promoting the best practices for vacuum forming processes.