I find your project of interest, so only charge is posting pics here of finished block & performance data.
Wiseass remark about high cost was only a joke.
3.5" X 2.5" is no problem to cut for you.
I will need you to send me a PM with a address. I have rotating days off with my job, I'm off today & Fri. this week so I'll cut it today and ship tomorrow if you've seen this and sent me a address by then.
BE