Well, @gmatthe2 made a cool origami contest and I decided to participate with something I found challenging. This origami is really cool but most of the time the paper isn't listening to me and/or rips. It also starts with a very interesting paper proportion and division of 1/12 and 1/6.
This model, spring by Jeff Beynon can get pretty stressful but it turned out well enough this time. Here's the instructions. It's really fun to play with when you finish. the precreases are simple enough but when you're spinning it into shape some parts tend to fall into the wrong flaps so you have to force it hoping it won't crease the paper anywhere.
Also, I finished one of the papercraft models and the other two are more than halfway done, they're a bit simpler though.