I used the top of the Octagon picnic table for simplicity, and the bottom of the modular for strength.

This was my first ever attempt at something like this.  I am a DIYer.

Took me two weekends.

* This post may have affiliate links, which means I may receive commissions if you choose to purchase through links I provide (at no extra cost to you). As an Amazon Associate I earn from qualifying purchases. Thank you for supporting the work I put into this site.