A small bracket i made for stopping my a1 mini vibrating off my desk, it attaches to the bar underneath ant sticks up enough to stop it going off the edge.

internal spacing is 20mm , total hight is 50mm

feel free to adapt just please upload the file for anyone else looking for similar.

if you found this help feel i would really appreciate a boost but a like is always great.

hope this helps some one else still very much a novice