No matter what sort of activities we pursue in our workshops, we all need a workbench or two (or more!). Designs abound online and the variations are seemingly infinite. These videos should give you enough ideas to serve as inspiration and to point you in the right direction:
Building A Workbench For Handyman by Victor V.
My $18 DIY workbench by Bushcraft412
Homemade Workbench - Movable & Versatile by MovieDemocom
Making a workbench frame by Sergio Acuņa Padin
Workbench on wheels by David Claborn
Homemade Workbench by Celtic Saint