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  • jkabtech 4:17 am on February 12, 2018 Permalink | Reply
    Tags: , Printed,   

    3D Printed Robotic Arms for Sign Language 


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  • jkabtech 12:17 pm on October 23, 2017 Permalink | Reply
    Tags: Casting, , Metal, Molds, Printed   

    Casting Metal Directly Into 3D Printed Molds 

    Casting metal and 3D printing go together like nuts and gum, and there are no shortage techniques that use the two together. Lost PLA casting is common, and sculptors are getting turned on to creating their works in plastic first before sending it off to the foundry. Now the folks at FormLabs have turned the whole ‘casting metal and 3D printer’ thing on its head: they’re printing sacrificial molds to cast pewter.

    There are two techniques demonstrated in this tutorial, but the real winner here is printing a complete sacrificial mold for pewter miniatures. While this technique requires a little bit of work including washing, curing, and a bit of post-processing, you would have to do that anyway with anything coming out of a resin printer.

    The material of choice for these molds is a high temp resin with a heat deflection temperature of 289

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  • jkabtech 12:17 pm on September 11, 2017 Permalink | Reply
    Tags: Curta, Printed, upgrades   

    3D printed Curta gets upgrades 

    presents a polished design that not only works but looks like a master piece.

    For the uninitiated, the Curta is a mechanical calculator designed around the time of World War II. It is still often seen used in time-speed-distance (TSD) rallies to aid in the computation of times to checkpoints, distances off-course and so on. Many of these rallies don’t allow electronic calculators, so the Curta is perfect.  The complex inner workings of the contraption were a key feature and point of interest among enthusiasts and the device itself is a highly popular collectible.

    As for the 3D printed design, the attention to detail is impeccable. The current version has around 80 parts that need to 3D printed and a requires a few other screws and springs. Some parts like the reversing lever and selector knobs have been painted and digits added to complete the visual detail. The assembly took

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  • jkabtech 8:17 pm on August 30, 2017 Permalink | Reply
    Tags: , , , , , , Printed, , Rechargeable, , Vision   

    Hackaday Prize Entry: The Arduino Powered LED Persistence Of Vision Rechargeable 3D Printed Fidget Spinner 

    created a persistence of vision fidget spinner. This isn’t just any PoV fidget spinner — this is the ultimate in fidget spinner technology. It’s rechargeable, and there’s an Arduino inside. The enclosure is 3D printed. It improves morale. It is everything you ever wanted in a fidget spinner, and it’s the last fidget spinner project

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