Simple cable clips that can be printed in vase mode or with a thicker base and screw holes. Extrusion width should be at least 0.8mm.
Pictured is cable-capture_7d1.2o7s_x5_vase which fits single USB cables fine. I recommend the 10mm 0.6mm spacing versions for a sturdy USB holder that doesn't release the cable accidentally
The author marked this model as their own original creation.