The shape to draw, as the OCCT kernel returns it.
OptionalappearanceHow the shape looks. Each faces entry gives its values to the faces it lists, edgeColor
colors the edges and each edges entry the edges it lists, by the indexes
shapes.edge.getEdges gives; left out, the shape takes the colors of the options.
A kernel shape with the looks to draw it in: a base look for the whole shape and groups of faces that override it, by the face indexes
shapes.face.getFacesgives, with the colors of its edges. A part thatocct.design.buildreturns is one already; drawn, the shape becomes one mesh.