You might also consider a tighter bridle configuration too (another 45 bucks, same place as the "sticks"). Grab the center attachment point on the stock bridle, at the leading edge point,... does it wiggle left and right? What would happen if all of the wiggles are removed, would the kite be more responsive or more twitchy? That is a deeply personal impression, that can only be "felt". The French bridle has 6 legs that go to the center attachment point, it's arc welded, not just holding on!
What if you grabbed the kite from further outside (beyond the frame),... well the kite would feel bigger, you'd need larger motions to make dramatic effects on the kite end, so you don't get "free oversteer movements" anymore. If you only steer the axel 3/4 of the way around, that's all you get! The french bridle take over fifty feet of bridle line and take about 3.5 or 4 hours to accurately tie it.
What if the bridle had the "Whump" built in? You never need to significantly spank or pre-load the bridle. All of the reverse is still in there, but forward drive also comes with a supercharger. It leaps forward like a cheetah (only if you so command)
What about building in a glide (like a frisbee not a paper plate!)? If you rotate the elastic knots on the leading edge, the extra bridle legs will lock it down and you can add a pronounced curvature OVER the leading edge. That curved surface creates all kinds of violator styled glide, like 300%. Imagine a catch (that the kite comes to you) across an arch instead of from straight overhead. What if you could walk along side of the kite instead of catching it?
No wiggles & sharper response rate, curvature OVER the leading edge greatly increases the glide, no slack lined tricks are off limits either and the kite rolls up into the string anytime you desire,... by just letting it go/fall backwards from an upright stance on the ground (clam-shell). Leaving the kite on the ground leading edge down means the lines are safely slack, no stake is needed.
The Zen is a completely different kite with sticks and french bridle. If you don't also agree I could probably be convinced to take it off of your hands. I owe 3 of these kites already and in the mid-atlantic states we are known as the land of no-wind. The zen was created just for me, damn near perfect after a couple of commercially available options are added on.
I like it a whole bunch on 50#/100 foot lengths with long throw handles. 13 inchers are like a go-cart steering wheel on a school bus! There's a better solution
Handy with a sewing machine? Know a guy? ADD another line of straight stitches to capture the leading edge tightly, so only one stick fits in there afterwards. A tighter sail is more efficient when capturing slight breezes.
Add some reinforcing patches to the leading edge sleeve so the mesh can tear away (eventually this WILL happen!) and the shape doesn't distort regardless.
Add some covers over the elastic knots on the bottom of the sail, so you don't catch a flying line when flick-flaking across the sky.