1 inch aperture Halbach dipole #magnet made of off-the-shelf permanent magnet cuboids and a 3D printed holder.   This has a central field of 0.34 Tesla, would be 0.5 Tesla with more longitudinal slices.   #physics #accelerators<p><a href='posts/202503/post-20250313-174841-a.jpg'><img src='posts/202503/post-20250313-174841-a.jpg' loading='lazy' /></a></p>