Geometric shapes are familiar ground for Costa, but the more refined tailoring and menswear-driven fabrics are a shift for the designer who recently has experimented more with raw edges and looser shapes.

WSJ: NY Fashion Week: tough, tailored, lots of black

Both color and workmanship bring the image of a saddle to mind: all in all, the Concept GLA incorporates more than 65 feet of hand-stitched seams to hold the raw edges of the leather together.

ENGADGET: Mercedes-Benz GLA concept puts laser projectors in headlights, redefines SUV

That's not the case with the Tesla Model S. It comes not long after the retirement of the Tesla Roadster, a car we thoroughly enjoyed but found a bit too raw, a bit too rough around the edges for general consumption.

ENGADGET

Burnt edges rendered the confectionary inedible, but as its final destination was no longer stomachs, raw lasagna sheets were added for structural support, and hot glue used to bind it all together.

ENGADGET: Engineer builds gingerbread house using CAD and lasers, aging droids approve