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Clock

by lzumwalt, published

Clock by lzumwalt Mar 1, 2013

Description

Analog clock face, hands and stand. The numerals on the clock face and hands are made with glow in the dark PLA for night time viewing.

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License

Clock by lzumwalt is licensed under the Creative Commons - Attribution - Share Alike license.

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Instructions

Overview:

Designed using Sketchup 8 (free version). The files are included in the download (.skp extension) if you want to add your own text to the clock face, edit the hands, etc. The hour numbers on the clock face were created using "Goudy Old Style" font (Mac), 20mm high, italic. "Lora's Clock" was created using "Goudy Old Style" font (mac), 16mm high, italic. Neither printed well, perhaps bold would print better. During testing I printed the numbers only using the "Goudy Old Style" regular font 15mm high and it printed well.

Printed on a Replicator 2 using ReplicatorG with the following settings:

 a) Infill: 20% for face and stand, 100% for hands,
 b) Layer height:  .2,
 c) Shells: 1,
 d) All other settings are default.

Assembly steps:

1) Purchase "The Clock Shop Item #192427" clock mechanism (found mine at Hobby Lobby).

2) Start printing the clock face. At around the 30% complete mark (on my system at least), the clock face numbers begin to be printed. Pause the build at this point, unload the red PLA, load the glow in the dark PLA (found mine at Amazon.com), then resume the build.

3) Print the hands. Note the second hand, if used, needs a #70 hole (.028) drilled in the shaft. I used a "pen" drill and bit (had one for years, but hobby shops sell them). A straight of safety pin may work to create the hole, but I did not try it.

4) Print the stand (It is provided on it's face for faster printing. Previously, it was on edge and printed better, but took twice as long to print.).

5) Place the black washer, stand, face, brass washer then hex nut on the clock mechanism, then tighten the hex nut. If the stand and face holes are too tight, use a hobby knife or 5/16" drill bit to enlarge them.

5) Carefully place the hour, minute, and, if used, second hand on the clock shaft at the 12 o'clock position.

6) Insert battery, set the time, watch it glow.

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