CPU Fan Shroud - Node 202 Cryorig C7 AM4

The Fractal Design Node 202 is a great looking case, but it has some serious thermal management issues. I built a rig using a Ryzen 1700 with the Biostar mini ITX motherboard and the only natively compatible cooler to this case at the time was the Cryorig C7. The problem with that is that the case doesn't have any positive ventilation and the cooler just ends up recycling hot air inside the case.
My first solution was to add a 15mm thick fan above the CPU, but that didn't really fit well, s