bubbles in clear casts?

bubbles in clear casts?
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Custom WorkstationHey guys, new to the forum and was wondering if any of the DIY casters can give me some tips.
been teaching myself how to cast stuff over the past few months so I can make myself some clear resin energy blast accessories to go with my Marvel Universe figures and I'd been getting tiny bubbles along the seam line. mainly been doing 2 part silicone molds, filling both halves, then letting em sit for a bit and slapping the 2 parts together carefully. mainly doing that so I can fill every bit of the mold with resin and pick out the bubbles with a toothpick.
wondering if there's certain way to go about making my molds so they're optimized for this or a better way of going about the process. outside of vacuum chambers and pressure pots since I don't have access to those or the money to buy em just yet. thanks in advance!

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