PrintDry Pro, Pro2, Pro3, & Pro4 Silicone Plug PETG Mold
Custom 3D-printable molds for casting silicone sealing plugs for the PrintDry Pro, Pro2, Pro3, & Pro4. These are solid and designed to effectively plug all the holes and replace the existing 2 plug handles as well as the last two holes. In addition, there are 3 solid PETG plugs to pair with the silicone plugs that feature a hole, if you want to use the PrintDry Pro, Pro2, Pro3, and/or Pro4 for single-spool use. The author reports that the V2a and V2b versions are 0.2mm larger in diameter than the V1. Pro-Tip for Installation: The silicone plugs can be coated in 90% IPA (isopropyl alcohol) to easily slide into place. Once the alcohol dries, they form a seal. Casting & Assembly Instructions: Prepare the Molds: The 2-half molds utilize M3 bolt holes to secure the two halves together. Apply Adhesive: Place a small amount of glue stick on both mating halves—be very careful not to get any on the inside of the plug cavity. Clamp: Sandwich the two PETG halves together, taking care to tighten the M3 bolts in a star pattern for even pressure for the V1 and V2a. The V2b is a single mold that does not require clamping. Pour: Mix and pour your silicone into the mold. The author used 15A silicone. Scrape the top of the V2 molds a few times to gently remove excess. Demold: Let it dry completely, remove the bolts, and pry the mold apart carefully. For the V2 versions, there is a split design for clamping the 2 halves together (V2a) and a single mold design (V2b). For both the V2 molds, use a plastic or PETG scraper to scrape off excess liquid silicone and let dry.
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