Invert Selection and few more actions along the way...

[samifox]

Hello there

 

i need to create a macro/autoLisp that does the following:

1. inverse select
   
2. erase
   
3. purge
   
4. set units to unitless
   
5. set center point to the button left of the geometry
   

please explain step by step, im new to customization

 

 

Thanks a lot

Shay