<InPhase>
J1A849537: That's a very nice design. It looks like one of those designs that could get a very large number of downloads.
<InPhase>
J1A849537: I've noticed that accessibility prints are wildly popular.
<J1A849537>
\nick J1A84
J1A849537 is now known as J1A84
<J1A84>
InPhase thx - was made for my mum Ü
<InPhase>
There seem to be a lot of people needing such things that either have trouble getting them, or want ones that are customized.
<InPhase>
And also people like giving them as gifts, like that. :)
<J1A84>
there are a lot of prosthetics in 3D printing too
<J1A84>
but in general the little things that make everyday life easier
<InPhase>
My handle attachment for door knobs (structurally similar to that bottle twister) is one of the ones I've gotten the most messages about, and one of the most downloaded things I have on thingiverse.
<InPhase>
I'm pondering if one could do something like that for larger jars, but I suspect the grip would not work as well. You'd need to rubberize the inside probably.
<othx>
J1A84 linked to "Sturdy Door Knob Lever, Customizable by rcolyer" on thingiverse => 2 IRC mentions
<InPhase>
Or maybe a thicker small-ridged TPU print would do it?
<J1A84>
doorknobs here have a lever Ü
<InPhase>
Yeah, I have two different designs of it because I needed to make it thicker, and redid the code in the process.
<InPhase>
I've installed all door knobs with built-in levers myself except on that electronic door lock, which happens to be a very nice electronic door lock model except that it's just a round knob.
<InPhase>
Someday someone will put a good electronic door lock on the market with similar features in lever form, and I'll swap that out. :)
<J1A84>
happens to me all the time when i post a design i made years ago .. checking the code if it still works and decide to rewrite
<J1A84>
The electronic lock we have here are also round knobs but in place of the key with lever/handle above
<InPhase>
J1A84: Hmm, yes, that could be a good design. You could also TPU print the belt.
<InPhase>
A PLA brick for the handle, and a TPU belt printed in a curve approximating the average jar lid size, would probably work out with a slightly redesigned catch system so that it doesn't snap off.
<InPhase>
You'd have to go thicker at the force load points.
<J1A84>
yup tpu has an insane tensile strength but it will elongate so you need to compensate with the lever
<InPhase>
I didn't find my TPU elongating. It seemed very resistant to that, preferring mostly only to bend.
<J1A84>
i mean as long stress is applied - it will go back after that
<InPhase>
I think per thickness it elongates less than rubber.
<InPhase>
stretches
<J1A84>
yes it is more elastic (less deformation) but if you print timing belts in TPU they only work for low forces
<InPhase>
I bet 1mm thick would hold up extremely well to jar opening forces.
<J1A84>
probably
<InPhase>
Hmm. And I suspect there's a way to do that with no moving parts other than pulling the belt tight before angling the lever arm. With a good lever arm design it could probably be a single block and just catch from the tension of angling. Something like a bit of an L shape with a through-hole above the base of the L.
<InPhase>
But then also with angled supports around the through hole, triangularly closing up the L bottom, so that there are no breakage points at the right angle.
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<InPhase>
Yeah, that toolstation link is pretty close to what I had in mind. And also plastic, so they probably reasoned it out by the same process.
<InPhase>
J1A84: That FlexStrap is a very nice design idea. You could optionally trim it after insertion for neatness, so it's basically an easy-remove cable tie.
<InPhase>
I had been using velco straps as cable ties, but this would also provide the same benefits I think.
<InPhase>
Velco straps have the downside of being dust magnets.
<J1A84>
it is not so visible but there is a spring so you have some rubber band tension ..
<InPhase>
Yep, I saw that.
<InPhase>
I think that's probably a good choice, because the tension keeps it latched.
<InPhase>
Otherwise it could pop loose from jostling it.
<J1A84>
yes and if used for plants they still can grow
<InPhase>
And if your cables grow from overheating, it works like a fuse. ;)
<J1A84>
.. why professional mounted cables must not use plastic dowels
<J1A84>
so in case of a fire they don't fall down
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