@adafruit: Lego base plates for STEMMA boards! #3DPrinted holders feature built-in standoffs for press fitting the PCBs. STEMMA boards plug-and-play with various devices and accessories, without any soldering! https://learn.adafruit.com/stemma-lego-base-plates #adafruit #3dprinting https://youtu.be/7s8bPaKm-BY