Recently, we discovered that the dust collection vacuum unit for our LPKF Protomat C30/S was leaking powdered fibreglass dust all over the under-desk cabinet in which it lives. This of course being unacceptable from a safety perspective (powdered fibreglass is not a carcinogen, but is a major irritant in general) and from a cleanliness perspective, we took it upon ourselves to figure out what went wrong.
It turns out that the machine had been operated for an indeterminate amount of time without pre-filter bags, and the filter had failed under the load of nearly 3mm of caked-up fibreglass and copper dust. D’oh.
So, a quick Google search yielded exactly zero sources for filters (but LPKF will sell you the bags, $35/5).
In true hacker spirit, this did not phase us at all. After all, how hard can it be to build a dust collection system from scratch?
I’ve discovered a fatal flaw in my beloved 1998 Jeep Cherokee – the armrest storage is too deep to be useful. However, there are dividers for cassette tapes in there that provide a nice support for a tray insert, allowing for much more organization.
What’s been happening at i3 lately? A bunch of things. But, here are some highlights.
Karriane G. taught a few classes on leather mask making. It was perfect timing right before halloween. Students learned the basics of forming with leather, and were able to follow through creating their own design, adding hardware such as studs and grommets, and finally painting their creation. They’re all set for a masquerade!
Kevin F. has been busy teaching oil painting classes. These have been insanely popular, often filling up within a day. It’s so amazing to see people come in and learn new techniques. Most of the students came with little-to-none painting experience, but all left with smiles on their faces.
Matt O. has been working on his halloween costume. Can you guess what it’s going to be? Here’s a hint: “It looks like you’re trying to write a letter!”
Of course making a giant paperclip out of metal would be insanely heavy, so it’s actually that universal crafting material, the grown-up version of popsicle sticks: Schedule 40 PVC! Bent and formed by a combination of hot air, teamwork, carefully placed screws, and minor burns.
This prize was awarded to i3Detroit as the Team Choice award prize.
We will be having training classes on the machine in the coming weeks, so watch this space and our mailing list for information.
Robot Knife Fight is ready for some player testers. Ted and I will be at the shop this Friday (2013-06-28) starting at 8pm to help people get up to speed in how to compete and run a game. Bring your laptop with the Arduino IDE already installed. If you want to help improve the arena’s python code, clone the git repo. If scheduling permits we will be doing this every Friday until Detroit Maker Faire 2013.
phone: (248) 906-8473
For tours, just drop in before a meeting (Tuesdays 5-7pm) or any Friday evening (5-9pm).
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