Shorter belts using a belt tensioner
by peddiparth, published
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I have had my printer for about a year now. I designed and built it myself and until now have never found a solution printed or otherwise to tension my belts reliably. I thought I could call myself an engineer until I saw this and wondered why and the hell I never thought about it. Thank you sir. You have improved my 3D printer by at least 100%.
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The trick to finding the right length of belt is to fold the belt at the axis mount point, and adjust the length if it is not right for your printer's axis.
I paired MXL belts I pulled from two old HP scanners to other belts from other scanners/printers for my X and Y axis on my Prusa i2.
I think this system will work for most 3D printer designs.
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