TranslatedCubeRenderer.instance.renderBoundingBox(x, y, z, block, bb, vt, null ,world != null);
//lower 1/3
bb = BoundingBox.UNIT_CUBE;
bb = bb.scale(scx, 0.21, scz);
bb = bb.translate(0, -0.26f, 0);
TranslatedCubeRenderer.instance.renderBoundingBox(x, y, z, block, bb, vt, null ,world != null);
//top / bottom connectors
bb = BoundingBox.UNIT_CUBE.scale(0.35, 1, 0.35);