stress ball mold 3d model

2 Part spherical stress ball mold split at the equator. Specs: Ball: 65mm outer diameter, 6mm silicone wall, 53mm inner cavity. mold block: 100x100x55mm, hemisphere cavity centered 32.5mm deep. Top half: 3 Bayonet tabs at 0/120/240 degrees on the rim, 18mm wide 8mm deep, 10mm tall 14mm pour hole at the top. Bottom half: 3 matching groove same positions with a 30 degree arc sweep with hard stop at the end 4mm vent hole at the base. Both halves: flat parting face at the equator. two 4mm alignment pin holes in opposite corners, 10mm deep. Print flat face down no supports needed. output as two separate bodies.