Here is the sketch:
Even though I intended to, I didn't end up adhering strictly to the sketch. My 3 panels ended up almost the same size, with the center panel only fractionally larger than the side ones. I also didn't put a sentiment on the front because I thought it looked busy enough with the ribbon and brads. The main layer is propped up on dimensionals.
Here is my card:
After I brayered and stamped, I spritzed the cardstock with water to give it a slightly mottled look.
Products used (all Stampin' Up! unless otherwise stated):
Stamps: Lovely as a Tree; Pocket Silhouettes
Cardstock: Basic Black; Whisper White; Old Olive
Ink: Basic Black; Old Olive; Elegant Eggplant
Accessories: Brayer; Old Olive Satin Ribbon; Regals Brads