In general, how should stiles and rails be constructed?

The construction of stiles and rails is critical in ensuring the stability and durability of furniture or cabinetry. Built-up from the longest available material involves using longer pieces of wood for creating stiles and rails, which minimizes the number of joints. This approach can provide added strength, reduce the risk of warping, and enhance the aesthetic appeal of the finished piece by maintaining a continuous grain pattern.

Using longer pieces means there is less likelihood of structural failure at the joints, which can be a weak point in cabinetry if not done properly. This method simplifies the construction process and can streamline the finishing steps, as fewer joints require less sanding and finishing to blend seams.

While options like mortised and tenoned joints are traditional and strong forms of construction for stiles and rails, they involve more precise cuts and may require additional skills and tools. Similar reasoning applies to the use of spline joints and built-up and joined methods; both are functional but may not prioritize the advantage of using materials that minimize joints and reinforce the overall integrity of the frame.