[TheForge] lamp shade

[Ries Niemi]

Andy- you should be able to flatten out 1/8" angle cold on the power 
hammer. Or hot. Or even squash it in the vise, a bit at a time.
Or you could come over and use the brake to bend some 14 ga to the 
angle of your choice. Sometimes I do that- I rip strips of sheet with 
the plasma cutter, then bend em in the brake.

I used to make some lampshades like this where I would fold the whole 
thing from one piece of sheet metal- figured out the geometry flat, cut 
it out, bent it on the brake, then spot welded the last seam with a 
3/4" overlap.
I used perforated for some, I have these round hole perforated "door 
skins" they use for security screen doors in southern california that 
are about 22 ga steel, and they make great lampshades-  and sometimes I 
used 16 ga coldrolled that I plasma cut patterns thru for others.

ries


On Dec 2, 2006, at 3:09 PM, Andy Gladish wrote:

>  I don't do a lot of light fixtures, but I'm doing one for my sister 
> that
> has a lampshade in the shape of a truncated pyramid- four sided, 
> tapering
> box, you've probably seen a million of them.
> The plan was to use light angle iron for the corner pieces, but 
> obviously
> when you slant all four toward a "vanishing point", the 90 degree angle
> becomes not a 90 relative to the adjoining sides.
>
> Somebody on this list has dealt with this situation, I'm sure: do I 
> heat and
> flatten them slightly, or is it easier to make 110 degree angle with 2 
> plain
> flat strips, or what? Suggestions, ideas, ridicule, all welcome. :)
>
> Thanks,
> Andy Gladish
> elementfe.com
>
>
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Ries Niemi
Industrial Artist

http://www.RiesNiemi.com