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karagad

Tertiarm - 3D printed robot arm

by karagad Jan 2, 2017
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I went through your Instructable briefly. It states to cut all beams to a specific length. Do you mean to say that I need to cut / saw the lamp after disassembling?

Sorry for the long answer. Yes, you need to cut all beams, but the specific length depends on your servo torque and power. You even can use the default length, but the best one is 260mm.

cool idea. They don't sell that IKEA lamp in California. Do you just use the aluminum square tube and springs from it?

Thank you. You can use aluminium square tube and similar spring from hardware store. You just need to check the right size of tube using Tip.STL from thing files. Square is about 10x10mm(outside) and about 9x9mm(inside).

thanks! Found out that they do sell the LED version of that lamp in California
http://www.ikea.com/us/en/catalog/products/40301195/

I recommend to use this lamp, because it has very good springs with acceptable stiffness. So your don't need to try a lot of different springs from hardware store

What software or controller are you using? Arduino with CNC shield?

Arduino uno and SensorShield v5.