Those little squares together really remind me of a window. I flipped the sketch and made this card:
Can you believe I got this card base from Ikea? They sold them awhile ago for really cheap - like 20 cards and envelopes for 2 Euros. They're kraft with a patterned front.
Stamps: Garden Delights (Inkakinkadoo), Trendy Trees (SU)
Ink: Summer sun, Old Olive, Craft White
Paper: Old Olive and Really Red by SU, Card base by Ikea
Other: Lace and ribbon