Step Gap Edge Loop - like modo selection

Modo selections style in 3ds max, but only for edges.

Assign a hotkey(or button), select 2 verts/edges/faces woth desired gap between them and start pressing your hotkey.

Work only with Editable Poly objects

Instalation:
Drag-n-drop "StepGapEdgeLoopLR.mzp" and "StepGapEdgeLoopLR.mzp" in 3ds max. Go to Customize-Customize User Interface. Under "miauu" category you will find "Step Gap Edge Loop Right-Left" and "Step Gap Edge Loop Right-Left".

Big thanks to Anubis for his help.