Measure how thick your table top is at the corner and we will cut a cap that slides over it: a plate above, a plate below and a band round the two edges, with the outside corner rounded to the radius you choose. The slot is drawn a little wider than your top so it goes on by hand. It prints on its side, with no supports.
Rendered at our default measurements — yours comes out to your numbers.What you need before you start
What it will take
Thickness of the table top: 10–60 mm
Length of each arm: 25–100 mm
Outside corner radius: 2–30 mm
Nozzle size: 4 to choose from
Filament: 5 to choose from
As it comes
Slot for the top25.60 mm
Band round the edge, thick4.5 mm
Height, top plate to bottom plate31.6 mm
Filament if printed solid, roughly22 g
Build plate: 45 mm as it comes, never more than 256 mm.
What you need to hand
A calliper for the thickness of your table top, at the corner.
How long you want the arms and how round the outside corner.
Your nozzle size and the filament you will print it in.