Di3 Thumbwheel Bed Dial

by idig3d, published

Di3 Thumbwheel Bed Dial by idig3d Jul 8, 2015

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For M3 stainless steel nut that are 5.5mm wide.

I tried the other thumb wheel on here, but it did not fit the M3 nuts I got from my local Ace Hardware.

I used a black Sharpie marker to give some contrast.

November 2016 UPDATE: I have a new design that is smaller, a bit pointier, and works with more printers. Check it out here: small thumbwheels

How I Designed This

At the time I made this, Onshape did not support text so I made my own characters.

If you have an Onshape account, I made the file public:
(bad link fixed)

I also added variables to the Onshape file.
Nut size:
-- #nut_width is set to 5.5 mm
The offset tolerance--make larger if nut is the correct size but too tight:
-- #offset is set to 0.2mm


Best printed at 0.1mm layer height. I used 25% honeycomb fill using S3D. May want to print at 0.2 mm for a quicker print and then use them to fine tune for a better print.

Was suggested by the fine folks at:

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Fixed the Onshape file link.

Where do you get those sized nuts? I checked the local hardware store, and they didn't have anything quite that size.

Need M3 -- 3mm metric nuts. Most hardware stores carry metric. My Ace Hardware nuts were a bit too large to fit the other thumbwheels that I found here in Thingiverse so I made my own.

Thumbwheel M3 with scale 0.01 mm with grip (Nut on bottom)