Factorio Forums

Items like iron ore have more than 1 alternative picture to draw on belt or as items, and all the picture are weighted the same, we can spam the common picture to control it but it will be noce to have a weight to control it elegantly and have less load for engine to handle.

The current logic that selects a variation is essentially free. Having to do some weighted computation logic would add overhead where it doesn’t exist now.

So I think that might go counter to what you’re asking.