I also have used openSCAD and found it very easy to use for thing with simple shapes. If you are looking for simple over stylish. It is also scriptable and can

I also have used openSCAD and found it very easy to use for thing with simple shapes. If you are looking for simple over stylish. It is also scriptable and can be used for the same item repeatedly with simple onetime changes. Sometimes use Blender to examine models or edit them but it has a pretty steep learning curve and should not really be confused with more proper CAD.