Mold and Cast of BJD Knee Joint Ball Part with Magic Sculpt

What am I trying to do here? I need to make a mold for this part (double balls for knee joints) - see the photo just below. I need a part, consisting of 2 balls, which are  connected, flattened on each side, with the vertical central hole. Why can't I just roll some clay in…

Monkfish's dolly ramble: Ball joint dolls (BJD)

bjd — News — STAND

Mold and Cast of BJD Knee Joint Ball Part with Magic Sculpt

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