This compass plane is resting on a Windsor chair seat whose grooves show where the tool made its mark. Comparing this to the photo of the scrub plane shows where its design began and where this adaptation took it.
Tool marks can be a design feature in the finished piece. The Arts and Crafts movement was a reaction to the Victorian ideal of a polished and elaborate surface decor. There is a place for artfully embossed surfaces that are an honest expression of tools in the hands of a competent craftsman.
Explore your own tool surfacing techniques and get beyond uniform, smooth and plain surfaces as the only standard.