How difficult is it to assemble the Omni? LiberNovo Tech May 7, 2025 The Omni is easy to assemble, requiring only the provided simple tools and taking about 15-20 minutes to complete. The assembly process is comparable to the 15-20 minutes required for the Herman Miller Aeron or Steelcase Gesture, with Omni offering clear instructions and online support to ensure a hassle-free setup. Back to blog Share on Facebook Opens in a new window. Tweet on Twitter Opens in a new window.