Thanks to Jaime (EB5ABT) for submitting his 3D printed stand for the generic MCX RTL-SDR dongles. The stand is designed to hold one of the generic dongles on it’s side so that a small whip antenna can be attached to it, whilst staying stably upright.
If you’re interested in printing the stand for yourself Jaime has uploaded the design files to his dropbox. He has also created a short YouTube video showing a slideshow of his stand which is shown at the end of this post.
If you’re interested in 3D printing accessories and enclosures for the RTL-SDR then thingiverse.com has a range of user submitted designs, ranging from custom RTL-SDR dongle enclosures, to stratux Raspberry Pi + dongle enclosures, to Outernet patch antenna stands.