A1 Mini balanced handle with 2 spool positions

I didn't see a balanced handle for A1 Mini with a spool on the left, so here's a remix.I rebalanced the shape a bit to my liking and allowed a spool on the left. Expanded the ptfe holder adapter inlet as it's a bit as it's too tight. Added holes on the left side of the handle to allow spool mounting there too - in the original model you can only mount on the right which wouldn't work for me. Initially, I even made my own version, but in the end decided to remix someone's model as an easier and faster solution