USB Christmas star - No Glue + LED holes

by MakeALot, published

USB Christmas star - No Glue + LED holes by MakeALot Dec 24, 2012

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15471Views 2676Downloads Found in Math Art
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Just a quick mash-up in OpenSCAD of Paul Murrin's excellent star to enable me to join the pieces together without glue and insert LEDs into the points

I printed this with %0 fill, 3 shells at 0.2mm layer height, 120mm/s travel on a Replicator2 in natural PLA. Each point takes about an hour.


Print 11 points, 1 base, 25 connectors.
Get one cheap (2.99) set of USB 20 LED fairy lights like these:

Insert an LED into each point as you push the connectors between the points.
Finish by inserting the 8 spare LEDs into the cavity and then push the base into place making sure you place the cable in the slot.

If you want to modify the SCAD file, you will need to download Paul's original STL file.

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Is there one point that has a hole to go on the tree? How did you secure it to the top tree spike?
Great design. I will have to do something different with the LED since i'm starting this late but great design indeed.

There is a derivative point by Kulitorum with a hole for your tree http://www.thingiverse.com/thing:204256

Christmas star tree connector
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I cant seem to print the points on my Afinia since it requires support. It says there is no model or support at layer 88.75~89.50. Damn it

Nice mod. It was admired by many over Christmas.
I fiddled around with tabs etc to try to hold it all together, but couldn't get it to work. Didn't think of separate connectors -I'm new to this lot :-)

Thanks. My wife loves the model, all I did was make it simpler for myself. I'm told that I'm making more for next Christmas. I also thought of making tabs, but didn't think it would work, so I just make connectors that push in. You did all the hard work, I just hacked. I look forward to your next inspiration :-)

this is absolutely gorgeous. well done!

You've taken all the fun out of assembly ;-)

Lovely model and a very nifty mod. Thanks to both of you.