This ruler is based on the Voron Ruler with the logo changed. Source code for that ruler is here and is licensed under the GNU GPL V3: https://github.com/hartk1213/MISC/tree/main/PCBs/Voron_Ruler_PCB
DIY Pricing: Support Not Included
To keep our part prices as low as possible, this item does not include technical support.
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Paul Gittins (verified owner) –
This is one nifty ruler. It should be on the top of the must have list for all printer nerds. It’s got wire gauges, screw sizes, and many other features. It’s also blue with silver lettering, so even in dim light it looks pretty cool. It’s also a great buy at just over 2 bucks. I even ordered other stuff, just to fill out my order for this ruler. Oh, I should point out it’s also got the TH3D logo.