旋转或旋转板

Spinning / Rotating Plate

2024-02-05 23:28:10

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Summary

What is it?

A simple rotating plate, which can be used to put items on it. Had primarily a spice rack in mind, thus dimensions are based on ~47mm diameter shakers. Of course can place any item on it, not just spices.

What is the reason in it?

Low amount of parts: 2x print + 1x very common 608 ball bearing
Simple assembly: just squeeze parts together - tuned tolerances for 3D printing, used Ender 3 V3 KE, your tolerances may vary (you can print the fitting check items first, before committing to the longer print)
Smooth rotation with ball bearing
Grippy outside structure

Why this and not others?

There was an inspiring model out there (https://www.thingiverse.com/thing:4855421), but it was made out of 4 parts, and you had to get your own balls for the bearing. I still had 608 bearings left, which I ordered to print a TUSH (https://www.thingiverse.com/thing:2047554) - felt it is a good idea to reuse them for a super smooth rotating plate.

What is in it?

Prints both parts in 1h 55min (on Ender 3 V3 KE)
63g for all printed parts with diameter 124mm and 27mm height
3D printer friendly: No supports, rafts, brims, ...
Small fitting check items, which can be printed first and assembled with the 608 ball bearing to make sure, all fits well together. Only then print the large parts

Tips

Make sure that the assembly has a tight fit! The tighter it is, the more stable the whole rotating construction will be and the less wobbling you will experience. For that reason there are the small "FittingCheck" parts, which just include the portion about the connection. You can also squeeze in between the bearing and 3d printed parts some paper to make it tighter.
Put the Z seam on one side - automatic slicing can screw things up. This will also help to polish away the seam on the pin, if required.
Although both parts can be printed at the same time on a reasonably sized bed, you may want to print them one-by-one - just in case something goes wrong with one, then it would also impact the other part.