A woodworking thumbnail can communicate craftsmanship through the connection being made rather than a crowded view of the entire workshop. The joint should remain recognizable after the image is reduced.
Choose the teaching moment
Select a frame showing how the two pieces meet, especially if that relationship is the lesson's main point. Keep the tool visible only when it helps explain the action. Background equipment should not compete with the working area.
Make the material readable
Use an angle that separates the edges and reveals the grain without excessive glare. If a hand blocks the joint, photograph a second setup after the demonstration while preserving the actual arrangement.
Check the promise
A thumbnail showing a finished cabinet can imply a complete build, while a close-up of one connection suggests a narrower lesson. Match the image to the video's scope. Save the uncropped source so you can revise the framing if the joint becomes too small in the final layout.