Harp or Spider
Answer You didn't say how large the lampshade is and if you're hanging it or putting it on a base. If you're hanging it, use a spider, or even both a spider and a vase cap, depending on how heavy the shade is. Another alternative is to use 2 vase caps. A smaller one that slides up from the inside and a larger on that is soldered on the top edge of the shade. For a lamp base, the rule of thumb is: if you're using it as decoration rather than light for reading, use a vase cap. If it's a reading lamps, a spider will give more light. Again, if it is very heavy, use both. I've never had any problems with vase caps pulling loose and I have made many 22" and 24" diameter shades. The clue is to solder a wire around the top on the inside edge then make sure the vase cap is soildly soldered on to that wire both from the inside as well as the outside. Don't just solder it to the solder joints. Make sure it is completely soldered all the way around. |
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