Here are instructions for a very basic one. https://www.diys.com/how-to-build-a-sofa-table/
Here is a tutorial for you: https://www.worthingcourtblog.com/how-to-build-a-sofa-table/
Here's one that's easy and inexpensive:
Hi Patricia, hope this inspires you to build your sofa table.
www.pinterest.com › pin
How to Make a Simple Industrial Sofa Table - John Malecki. John Malecki Builds and Industrial Sofa TableI love building industrial style furniture. The pairing of ...
I really like this one:
I would recommend buying the legs that are ready to screw on at a hardware of big box store. You could use mdf or plywood for the "table" portion, screw the legs into that, and add decorative trim around the edges. If you want a farmhouse look, use 1x2 for the "X" style legs instead.
Patricia: maybe this willhelp
Hi Patricia, here's a youtube video to inspire you.
Love this detailed DIY https://www.hometalk.com/32903092/easy-diy-sofa-table-for-less-than-10-and-less-than-2-hours
Here are some ideas: https://www.hometalk.com/search/posts?filter=sofa%20table
There are a zillion ways to do this and it all depends on what you want it to look like. First figure that out, come up with a few dimensions, then a quick search on Hometalk or online will point you in the direction of how to build it.