Cross-Cap Wireframe

import matplotlib.pyplot as plt
import numpy as np

# Cross-cap surface
u = np.linspace(0, np.pi, 50)
v = np.linspace(0, 2 * np.pi, 50)
U, V = np.meshgrid(u, v)

X = np.sin(U) * np.sin(2 * V) / 2
Y = np.sin(2 * U) * np.cos(V)**2
Z = np.cos(2 * U) * np.cos(V)**2

fig = plt.figure(figsize=(10, 8), facecolor='#020B14')
ax = fig.add_subplot(111, projection='3d', facecolor='#020B14')

ax.plot_wireframe(X, Y, Z, rstride=2, cstride=2, color='#6CF527', linewidth=0.5, alpha=0.9)

ax.set_xlabel('X', fontsize=11, color='#94a3b8', labelpad=10)
ax.set_ylabel('Y', fontsize=11, color='#94a3b8', labelpad=10)
ax.set_zlabel('Z', fontsize=11, color='#94a3b8', labelpad=10)
ax.set_title('Cross-Cap Wireframe', fontsize=14, color='white', fontweight='bold', pad=20)

ax.tick_params(colors='#64748b', labelsize=8)
ax.xaxis.pane.fill = False
ax.yaxis.pane.fill = False
ax.zaxis.pane.fill = False
ax.xaxis.pane.set_edgecolor('#1e293b')
ax.yaxis.pane.set_edgecolor('#1e293b')
ax.zaxis.pane.set_edgecolor('#1e293b')

plt.tight_layout()
plt.show()