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A Beetleweight Build Diary Part 1: Bot's got HIPS


Phoenyx

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So, I decided to start work on a new combat robot earlier today, and I actually decided to 3D print it. Which is an especially odd choice for me since I don't personally trust 3D printed components on combat robots. 3D printed robots tend to not hold up that well, as the material tends to split from hard impacts.

 

But then I discovered a material called HIPS, or High Impact Polystyrene. This material can take some pretty decent impacts, and although the separation issue is still present, it's diminished. Plus, I don't need to spend eight hours dehydrating the filament in a toaster oven like I do with Alloy 910, which is the other filament I have on hand.

 

So, I started up Sketchup and after about an hour and a few precision F-Strikes directed at Trimble Navigation I came up with this:

 

3lb_spinner_frame_by_artofengineering-da

 

A simple and effective horizontal spinner inspired by M.O.E., Last Rites, Tombstone, The Mortician, Suitcase Nuke, BEST KOREA, Better KOREA, The Cuban, etc. etc. etc.

It's actually a decent-sized robot, as the frame is 101/2" long and 8" wide. The primary frame barely even fits on my 3D printer's print bed. That being said, while I could technically print this all in once piece, the upper frame obviously overhangs way too much. I'm already having to use excessive amounts of support material already.

 

Anyway, now I have to wait 16 hours for the print to finish.

large.58292230e89b9_printingabot.jpg.2b2

 

Part 2 will be coming out when the print is finished.

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