Volume rendering of a rapidly rotating protomagnetar launching powerful equatorial winds and a magnetized jet as simulated in our B3P1 model. Density isosurfaces are represented in light red (ρ ≈ 10¹⁴ g cm⁻³) and blue (ρ ≈ 10⁹ g cm⁻³), whereas magnetization is represented in red (σ ≈ 1) and yellow (σ ≈ 100) contours. White lines show polar magnetic field lines.