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Printed Clocks

I wanted to show off the 4 clocks I have printed. My favorite is the Coup Perdu desk clock (with Coup Perdu escapement). All run very well and keep good time. I am new to 3d printing and the more I learn the more I am impressed with Steve's designs and instructions because I can't imagine the amount of time it took to engineer and perfect these designs. I will eventually pick out another clock to print but have not decided which one yet. I am leaning toward one of the desk clocks that use a stepper motor because that will give me an excuse to learn a bit about arduino.


37 Views
Steve
Steve
Sep 10

There are four stepper motor driven clocks to select from. All use the same algorithm with jumpers to select motor speeds since each clock has slightly different gear ratios between the motor and the second hand. They will all be accurate to about a minute per year. If you build your own controller, the assembly guide shows how to set up the Arduino IDE. There are also plenty of YouTube tutorials to help with the environment.

Jason Stonier
Jason Stonier

SP13 first run - working well!

I've followed Steve's Clocks for a few years and downloaded (and paid for) a couple of his designs but this is the first one I've actually had time to build. Loving it - such a beautifully designed clock.


Right now I'm just testing the weight (2.7kg and running well) and as I have a some lead ingots but no lead shot, I need to design a new weight shell for my purposes.


Couple of comments - Steve's instructions use 3mm stainless bar, and 1.5mm music (piano) wire for the arbours. From my engineering understanding, brass is a better option as it's self-lubricating. I found both 1.5mm and 3mm brass rod for cheap on Amazon in the UK (search for Sourcing Map Brass Rod).


I also found some low cost low friction bearings on Amazon which I'm using successfully without flushing first (my pendulum has a free swing time of 9โ€ฆ


171 Views
Steve
Steve
May 16

Looks good. This is an easy clock to get running.


I specify music wire for the 1.5mm rods because it is always hardened. The brass you linked is listed as high hardness, which should be good. Brass can also be listed as soft, half hard, ultra machinable, or unspecified. Some of these might be too soft for the smaller diameter arbors.


I saw a guy on YouTube melting lead ingot using a pot with a small hole drilled in it. He held the pot over a tray of water to cool the lead as it dripped out. Of course, do this outdoors and use other safety measures when working with lead.

My Sp16 Running great!


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Steve
Steve
May 16

Looks great. This is the first posted picture of the clock that I know of.

SP15 - Medium Moon Phase Clock

I've printed most of Steve's clocks, but I think the SP15 is the most beautiful!

It's not as huge as the SP14, which I also built, but it looks great in my studio.

I've attached a video of it running perfectly: I built it 8 months ago and it's never stopped!

Very precise, max a couple of minutes a week.

One small detail: it runs with just 2.5 kg on the pulley!!!


251 Views

Looks really good !

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