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  • How to Make a Copper Rolling Ball Sculpture

    Very nice! Great job! You are a master from the very first one even!

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  • How to Make a Copper Rolling Ball Sculpture

    Also, if your torch is a bit big but it's working for you, well, go with it. Whatever works, right?!

    When you solder be sure to heat both wires of the joint, i.e., the metal, not the solder. If you heat and melt the solder and drip it into the joint it will bounce off or be a cold solder joint which won't stick properly. If you flux and then heat both of the wires of the joint and make the really hot wires melt the solder instead of the flame, the solder will stick perfectly. So yeah, heat the wires, not the solder and it works. I hope that helps.

    You can use a solder sucker or solder braid to get rid of excess solder. Warm it up until it becomes liquid then suck it off or press with the braid to soak it up. You can find them at stores that sell electronic parts or on ebay. Try your best not to need them, tho, of course. I sometimes heat up a blob then push it off with something (like some wire of cold solder). For fluxing, probably more is better than less, but not too much. Don't dry brush it on. You'll want to slather it on but probably not put a big blob of flux. If when you put your torch on it and it turns black, that's not good. You'll want to get scotchbrite and clean that off before trying again. When you get it clean and shiny, then flux again, then try to solder again. I got my propane tip at Home depot. It's ...see more »You can use a solder sucker or solder braid to get rid of excess solder. Warm it up until it becomes liquid then suck it off or press with the braid to soak it up. You can find them at stores that sell electronic parts or on ebay. Try your best not to need them, tho, of course. I sometimes heat up a blob then push it off with something (like some wire of cold solder). For fluxing, probably more is better than less, but not too much. Don't dry brush it on. You'll want to slather it on but probably not put a big blob of flux. If when you put your torch on it and it turns black, that's not good. You'll want to get scotchbrite and clean that off before trying again. When you get it clean and shiny, then flux again, then try to solder again. I got my propane tip at Home depot. It's just the standard one that plumbers use. A fine tip (3/8") is better than a bigger type (5/8") and certainly not the really big ones used for heating floors (3/4", 1" or bigger). You want a concentrated flame about 1 to 2 inches long (maybe longer depending on your needs) and touch that flame on the joint you are wanting to heat and even move in about 1/2" more closer to get to a good hot spot on the flame. You'll have to get experience at it to find that right sweet hot spot. When you solder the two wires have to make physical contact (like don't try to bridge a gap - that will not hold). Hold the flame on the joint about 10 to 20 seconds while occasionally touching the solder every second or two to the joint (after the 10 second mark) to see if the solder will melt. If the joint starts turning black, that's no good, clean and start over. Once the solder melts, push in about a BB's worth of solder into the joint. Don't keep the flame on it after the solder has flowed in. If you keep the flame on it after it's done then it will start oxidizing and turn black and then you'll need to scrub that junk off. I hope that helps.

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  • How to Make a Copper Rolling Ball Sculpture

    Cool. Hope the videos help! Yes, post it on youtube and send me a video link when you're done. I'd like to see what you come up with!

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  • Programmatic Creation of a 3D Model for 3D Printing

    Thanks for your message. Unfortunately, that sculpture is not available. My apologies. I do have other sculptures that may be 3d printed at Shapeways.https://www.shapeways.com/product/PUUT3SNAW/john-3-16-rolling-ball-sculpture-marble-run?optionId=8941378https://www.shapeways.com/product/3RSUFAXLB/super-tiny-rbs-marble-run-rolling-ball-sculpture?optionId=352919

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