Hm everything looks fine.. do you have another SD to try? Yes, I tried it with the same image with the card that you can just see in the top of the picture. Also if you put the imaged SD into your PC again, does a 56MB drive appear? And if you opened up the drive are there a bunch of files with one...

This is how one of them looks:
The other one is the same.

I notice that the pgood LED blinks a bit when it first gets power but then it turns off.

I put the image in the file Circuit-Sword-Software-v1.3.2.zip found at https://github.com/kiteretro/Circuit-Sword/releases/download/v1.3.2/Circuit-Sword-Software-v1.3.2.zip. The unzipped file is named rpi-4.4-rpi2_rpi3-wifi_CSO_CM3_20190131-213239.img with an md5sum of ff72ef7d95d29fe476fb96782cd3d2...

I received two circuit swords in October 2018 and (finally) got around to putting them together. However, I've run into some issues. Everything in the 'Set Up' guide on github seems to work (except the battery part, as I haven't received them yet..), up until the step where you are supposed to boot ...