Manual Plunger for 30ml cartridges commonly used for phone repai

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These UV glues come in syringes with no manual way to release the contents, forcing users to invest in a separate gun that's priced higher than the glue itself - a $15 to $40 expense. This is manageable for professionals who rely on these products daily. In response, I created a simple printable plunger design that converts the UV glue syringe into a functional dispenser, much like a standard syringe.