GeoLight02
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Published on January 4, 2013
This thing was Featured on January 4, 2013
Description
Geometric lamp-shade.
Modeled in Autodesk Maya. I wrote a Python script to help me auto-constrain polygonal platonic-solids to a hemispherical NURBS surface to get the overall shape.
The inside diameter of the top hole is about 3.5cm : This gives a nice friction-fit to the threaded light socket I picked up from Home Depot.
This is the first time I've printed with support material. Probably contributed to the 26 hour print time on my Makerbot Replicator (non-accelerated).
I had the printer plugged into my Kill A Watt: It used 1.63 kWh of juice to print.
I plugged a 40watt halogen bulb into it, and left it on to make sure it wouldn't melt.... It did. I came back in a few minutes later with the bulb completely melted to the top interior of the print. I was able to get the bulb out... and there's no visible damage on the outside... but I'll have to sand down the hole to get a new bulb in there. In the future, I'll either use a LED bulb (far less heat), or do a re-design to make the interior space... larger :)
Blog post here: akeric.com/blog/?p=1868
Modeled in Autodesk Maya. I wrote a Python script to help me auto-constrain polygonal platonic-solids to a hemispherical NURBS surface to get the overall shape.
The inside diameter of the top hole is about 3.5cm : This gives a nice friction-fit to the threaded light socket I picked up from Home Depot.
This is the first time I've printed with support material. Probably contributed to the 26 hour print time on my Makerbot Replicator (non-accelerated).
I had the printer plugged into my Kill A Watt: It used 1.63 kWh of juice to print.
I plugged a 40watt halogen bulb into it, and left it on to make sure it wouldn't melt.... It did. I came back in a few minutes later with the bulb completely melted to the top interior of the print. I was able to get the bulb out... and there's no visible damage on the outside... but I'll have to sand down the hole to get a new bulb in there. In the future, I'll either use a LED bulb (far less heat), or do a re-design to make the interior space... larger :)
Blog post here: akeric.com/blog/?p=1868
Instructions
Printed with 'natural' PLA so it would be semi-transparent.
Set the HPB at 40deg (is that even needed with PLA?) and the extruder 210deg.
5% infill, 1 extra shell: Wanted to make it as transparent as possible.
Used raft + support material to handle the interiorexterior overhangs.
Set the HPB at 40deg (is that even needed with PLA?) and the extruder 210deg.
5% infill, 1 extra shell: Wanted to make it as transparent as possible.
Used raft + support material to handle the interiorexterior overhangs.
License
Halogens get very hot. Your best bet is go for an LED bulb. Low power consumption and very low heat
lol, yes, there's theory, and there's reality... I thought I'd try out the reality of that bulb since I had one laying around (and heck, I can always print another one). It's possible if there was better venting at the top the heat may be able to escape ok... but LED is definitely the way to go with that design.