The HUD allows you to choose 21 sphere types or turn off. (These spheres are only available in the rezable area)
You can also use voice commands on channel 99, as follows:
/99 detach /99 nr (Neon Reflection) /99 nrn (Neon Rings - Narrow) /99 nrw (Neon Rings - Wide) /99 nr2 (Neon Rings 2) /99 nr3 (Neon Rings 3) /99 nr4 (Neon Rings 4) /99 nri (Neon Ribbon) /99 nri2 (Neon Ribbon 2) /99 nri3 (Neon Ribbon 3) /99 nri4 (Neon Ribbon 4) /99 ng (Neon Galaxy) /99 nd (Neon Dots) /99 ns (Neon Stars) /99 nst (Neon Stripes) /99 np (Neon Phoenix) /99 nf (Neon Flowers) /99 nfl (Neon Floral) /99 no (Neon Orb) /99 ndo (Neon Dots Orb) /99 nlo (Neon Letter Orb) /99 nsp (Neon Spread)