For this project I used a 1×8 Pine board. While the final dimensions of my board were 1×8×16″, I made sure to leave 2" of room on both sides of the board (i.e., board cut to 20" wide) for the clamps.
I also used a 90 degree V-bit.
You can use whatever size works for your drawer front!
If you are looking to build your side table from scratch, visit http://diyhuntress.com/2018/06/diy-wood-carved-side-table.html for the full, free woodworking plans!