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mafiu

over 8 years

I'm having problems running the following through slicer: Panel_left, Thumb C01/C02 and Finger Thumb J02 Int. It looks like these may have broken vertices in them but I am not clever enough to fix them. Has anyone got any better versions of the stls that they have fixed? Thanks in advance

Инженеры Life78

over 8 years

Guys, very cool..... I want to print it , but the size small.....on the hand of my child are not appropriate. You need 1.5 - 2 cm more...

Teck

about 9 years

@Valcrow I agree, it has to keep looking that cool :) Just thinking out loud : it shouldn't imply a big design change if the TURRET was a 2 section part (knob + threaded section) with the latter section a bit shorter and if the holes on the CONTROLPANEL (right below the "threads") were larger. The mod would be completed with a spring (maybe something made of flex) between each TURRET and the CONTROL PANEL and also a retention ring (that goes between the knob and the threaded section of the TURRET) that turns freely. The idea would be to be able turn the knob CW to tighten the flexsors, doing so the threads would push the TURRET deeper. Once done the spring and the retention ring would prevent the TURRET from turning the other way. Basically if there was no tension cord the knob could be able to turn CW endlessy. Of course that means the 2 sections of the TURRET would have to be glued with the retention ring in between and then the ring would have to be glued on the CONTROLPANEL. Erm... makes sense to me but I don't know if it's cleary explained or not :/

Kildare Castro

about 9 years

Valcrow, look my screenshot: http://i.imgur.com/8aCYiPr.jpg The parts with problem are Wrist controlpanel Turret Wheel Holder Stick Finger_j01_PIN Finger_j02_PIN Thank you very much

Valcrow

about 9 years

@Teck Yes, the turrets have a slight turn to the 'threads' so that the tension will provide a small amount of force downwards (assuming you wound the string the right way) In most cases, this along with the tolerance will keep the turrets in place. However, it does pop off sometime so having it REALLY tight would be better. There is a slight flaw in the design where the turret HOLDER is a snap in object that could potentially pop forward if there is too much tension. It works in most cases, but not as reliable as a solution as I would like... This part is one part that is WIP status. We were initially thinking of dropping the whole tension thing altogether for the better variable finger tension system with the triangles. But it won't look as cool. :/ @Kildare Castro Do you know which parts are wrong? most tolerance issues you can fudge by making it 0%-1% larger/smaller, but if there's a big scale difference than that's an issue. Just a note, this is still very much a WIP even though it looks all finished. Functionally it's not quite there yet. I'll have to figure out how to clean my model enough that it makes sense to non-me. It was modelled in 3Dsmax so it's not entirely cad friendly either.

Teck

about 9 years

Hello, I have a question regarding the Wrist turret : looks like you tighten the cords turning the knobs CCW and the Turret itself stays put as long as there is enough tense on the cords is that correct? Awesome design and paintjob by the way! Thanks!

Kildare Castro

about 9 years

Dear Valcrow, i got a problem. Some of STLs files are in a incorrect size. And i can´t imagine what to do to correct that. Can you post the cad files used to create the stl? And that will be a great help for print for a growing child(adjust hand size)

Kildare Castro

about 9 years

Amazing Prosthetic! Think i will try and give to a children here, when i am done i will show the pictures for you. Don´t worry i will give the credits for you, just for the kid to remember of where it come from.

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