We found the hole for the umbrella in our new patio table was 2" wide, but the pole for the umbrella was 1.5". The result was a wobbly umbrella.

This shim holds it snugly in place. It's designed in two halves, so you can put it in place after setting up the umbrella.

Shapeways

No

No

0.1mm (per Shapeway's spec)

yes

This was printed using Shapeway's service. It may need modification to print with a regular FDM printer.