Lunchbox Mass Addition // Looking for similar node

[Nick_Boyts]

So which alternatives from the linked posts have you tried? There’s at least one python solution and two node solutions that I saw just from skimming.

LunchBox Mass Addition

Make sure you’re not just blindly copying code. Most of the python suggestions contain the solution but still need to be modified in order to work properly. Simple python solution: m = 0 out = [] for n in IN[0]: m = m+n out.append(m) OUT = out Simple DesignScript solution: Math.Sum(List.TakeItems(nums,1..List.Count(nums)));

While loop problem

This is almost always a better option. There are many ways to get what you want. Here’s what I had in mind: [image]