65mm Prop balancer

I was having really bad Jello problems with my recently built of a 2S toothpick and I discovered the problem was out of Balanced prop so I designed and made this prop balancer using an old 1103 motor (took out back bearing) the shaft came out of one of the bells, I used it to hold the prop on to balance.
They're is probably more than one approach to balancing the prop, for me I just took an exacto knife and trimmed off the heavy end of the prop until it balanced properly, one could add clear t