When using the “Wall Framing” component from the “Components Sampler” section of the dialog displayed by selecting “Windows->Components”, I am unable to establish a wall with a length that is not in exact inch multiples of an inch. In other words, if attempt to create a wall section via the “Component Options” dialog that is 66.5" in length, the dialog accepts that length and reports it as such, but the actual length in the model is truncated to 66".
I tried editing that component instance to increase the board lengths by 1/2"… Bad idea. It appeared to solve the problem for that particular wall section, but the lengths of every other wall in the model were also altered by 1/2". Bug? Solutions? I’m on Sketchup Make 15.3.331 64-bit, so I don’t have the ability to create my own dynamic components.