If you think I’m making a lot of posts over the past week, it’s true! I took 2 weeks off of my day job and have been able to get a lot done on OpenPCR. Back to my day job on Monday :\
We are prototyping 3 1/8″ flat aluminum parts for OpenPCR:
1. ~ 2″ square plate, with holes for 2 screws for the heated lid. Our prototype heated lid involves a peltier, aluminum plate, and thermal pad
2. ~ 4.25″ square plate for mounting the heat sink and aluminum heat block to one surface. This needs holes for the aluminum block and screw holes for mounting the aluminum block and heat sink.
3. 4 cm square square plate to serve as an “adapter” between smaller heat sinks and the peltier. This might not be necessary if we go with a larger heatsink, though the trade off would be the entire case is about 1″ bigger to accommodate the heatsink.
Designing the part and drawing squares in Illustrator? Easy!
Unlike software, when you want to test a design you get out your wallet. I’m addicted to “Just hit ‘Preview’ or ‘Compile’ and I’ll be done!”. I’m so thankful for the support that we’re receiving from everyone on Kickstarter!
I looked around locally and online for a shop to make the test pieces. Local prototyping didn’t move as quickly as I had hoped, I still haven’t heard back from the guy I started talking to a week ago. Prototyping shops are pretty pricey, I found rates of about $100 per part. With flat pieces cut from a sheet, Ponoko was the best deal because I could fit a whole slew of parts on one sheet. In about 15 days I expect to receive the flat aluminum parts from Ponoko in New Zealand, hopefully right around the time I receive the new laser cut wooden case. (Ponoko says they’ll have aluminum cutting live in the USA in a month).
Got a lot of things moving over the past 2 weeks! Over and out :)