Another day, another... clock?
Based on my original, somewhat popular Wavy Clock, I give you the second iteration of the Wavy Clock!
This clock was made specifically to take the movement from an inexpensive clock from Target which can be had for less than $5, however, it will work with any square clock movement with the center spoke being 6mm in diameter (centered in the movement) and the movement itself being 56mm x 56mm. If you printer is calibrated properly, the movement will be a tight, friction fit.
The movement may be cheap but...
This is not an inexpensive clock to print. It uses far more plastic than my original design (which was made to be printed in vase mode). This design, if printed with 20% rectilinear infill, 3 x 0.4mm perimeters, 3 bottom and 5 top layers (0.2mm each) will result in a clock that tops 300 g of plastic. Add supports and you are likely to use 1/3 of a (1 kg) spool.
That said, this is a clock that will hide the movement as it can be hung flush against the wall, unlike the previous version.
The rear cavity is tapered to allow easier access to the battery and, in a pinch, will allow you to remove and replace a faulty movement.
If you print with standard solid infill patterns (e.g. diagonal), you may be able to get away with no support material. However, I chose a concentric fill for top and bottom layers (because it looks a lot cooler) which pretty much makes support in the center a necessity.
You'll notice I have marks from infill on the sloped areas of my print - that was a mistake on my part. On a properly-tuned printer with a 0.4mm nozzle and 0.2mm layers, you should have no problem printing those slopes with no support. My Cura profile, however, was not configured the way I had intended and supports were printed on the sloping areas as well.
If you look at your slicer's preview, not only can you check to see if your supports are as you desire them to be, but you can also find the layer at which you may perform a filament swap. Done properly, you can make the numbers pop out as they do on the photos of the clock I printed.
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