OMG, talk about cute geometric heart heaven! We also came across http://www.minieco.co.uk/boxed-geometric-heart/ (Thanks to Concrete Geometric) and fell in love with the designs + projects. Minieco is the go-to website for Paper DIY crafts.
Check out her projects on http://www.minieco.co.uk/boxed-geometric-heart/- click links below to see tutorials!
Mini-Eco downloadable gift wrap! Just download the PDF from the website and print out on Letter sized paper.