Snap Pixel for Multiboard

This is a remix of the Multiboard 25 mm Push-Fit Pixel, as I didn't want to print the Push-Fit Pixel in addition to the Multiboard Snap. I also didn't want to have such a large distance to the board, as both parts are on top of each other. With the Snap Pixel, you lose a little of the modularity of the Multiboard system and the different offset to the Push-Fit Pixel-Snap combination may not be desirable if you want to use the Snap Pixel together with the Push-Fit Pixel. If someone wants