The sellection boxs for the right and the left side are a bit off. I saw in your code that you commented this out.

Thank you for bug report. I will fix it on next update, currently i'm working on electric conveyors with though put like 120-200 item/sec, i also think about to divide mods, make "modular mod pack". But anyway thanks for playing our beauty factorio.

P.S. What do you think? should i do belt power consumption or just make transformator recipe?

Personaly i dont mind, because i adjust the mods for my purpose. however i am a big fan of "one mod for one thing", so keep it simple imho. the idea of an electric belt sounds nice, but please but it in a new mod. dynamic energy consumtion would also be sweet.

btw, this was always my fav mod. i have no idea why its not part of the base game.

Agree~~~