If you're making cabinet doors out of a relatively stable wood such as beech, smaller door clearances are required compared to a less stable species such as mahogany. In many cases, the choice of wood to use will be determined by the desired visual aspects. If you already have a house full of walnut furniture, then you would naturally consider using walnut for any new pieces. Just make sure you understand the wood's physical characteristics as you're preparing the design. Sketching An integral part of developing your idea will be to create rough sketches along the way.
Sketches are a great way to refine and visualize the project.
To assist you in getting started with sketching, there are guidelines to follow. Copyright 1999-2001 WoodBin.