I needed a small standoff for my BONTEC monitor stand and simply created one to raise it ~2.6cm.  The design is a snug fit around the existing leg and still allows the stand to be set to all 3 holes.

The included rubber padding can be put on the bottom of the print.

BONTEC Monitor stand: https://amzn.eu/d/9G8x9xl

Print settings:

• Layer height: 0.3mm
• Walls: 4
• Infill: 25%

Filament used: PLA-CF (eSun)