Customizable Universal Dove Slots Holder Etc

Problem : Above a few Tens of parameters models get confusing
This is an experiment to explore contexted views in Customizer
Each tab presents a different view highlighting its parameters with a modify/done switch.
This facilities a pedagogic wizard-like walk trough of parameters

Please be a good sport and share pictures of successful prints. I means a lot to me.

https://openscadsnippetpad.blogspot.com/