RaspberryPi to ESP8266 base adapter

I use a blue base to put the protoboard and the Arduino or RaspberryPi for prototyping. Every component has its place and it's very convenient to work for.
But there is no place for the ESP8266 or an adapter. So, I designed the attached design. It's an alfa desing, so feel free to leave your opinion or modify it.

Version 2 has thicker columns to avoid the shield touching some base screws.