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Sorry, just realized now that it is not default to receive e-mails for PMs. Your reply to the thread made me check them.

I'm thinking about buy the exact same model. Out of curiosity, how long does the battery lasts with the ones you're using?

Out of curiosity, why do you prefer machining over casting?

Awesome, I'm going to get a LM 317 and do a test case. I hope I have not destroyed them with the extraction process.

I'm starting on the laser building hobby (from buying already built lasers), and decided to start with some diodes (Red, I expect) that came from my old DVD-RWs. I have no driver circuit or way to provide the current amperage without frying the circuit and no advanced knowledge of electronics...

Thanks! Also updated main post with machine specs and some detailed info.

Thanks. I did not (or intend to) make a sellable product, though. I'm literally making a zero profit offer, in order to gain experience and help some members. I was aware about the laws about B/S/T section but truly did not mean to bypass them. Does my post actually break rule b?

Thanks for the warm welcomes! I've added the location to my profile (Illinois, US) and the desired file formats in an edit to the main post.

I currently have access to an unused CNC 4 axis milling machine, and am starting in the laser hobby (I have just bought ready lasers up to now, never DIYed one). So, I could do something different. Instead of buying a case and heat sink, I could machine it myself. Having no experience, I have no...