Re: Crystal checker case


Karl Schwab
 

My case, or should I say, container, for my Crystal Spotter, is just a plain old Altoid tin!  When I need to use it, I just remove it, place it on my work area, add the battery, and test my crystal.  Plain and simple.  73, de Karl, KO8S

On Tue, Jun 28, 2022 at 5:31 PM Jess Gypin <ontarget1911@...> wrote:
If you don’t get any bites I’ll print one for you

Jess AE0CW

> On Jun 28, 2022, at 3:29 PM, Jim, N5IB <n5ib@...> wrote:
>
> Hi Lisa,
>
> I see you found a volunteer to print a case for you.
>
> Just in case anyone needs them, attached are STL files to 3D print a case for the Crystal Spotter.
> Uses about 30 grams of material
> Often public libraries support local Maker groups and have a 3D printing service at very reasonable cost.
> The frustrating truth is it'll cost maybe 75 cents worth of filament to print one, then $5 - $7 to mail it
>
> The spotter **almost** fits in an Altoids tin.
> In mine, I used 2-sided foam tape to mount the battery, which makes it sit just a smidge too high, and when you close the lid it activates the switch.
> I think perhaps if the thin 2-side tape were used it would close without engaging the switch.
>
> Alternatively - put the switch on the top side, trim the pins flush to the bottom, and put a bit of insulating tape on the bottom of the box under the switch pads.
>
> Jim, N5IB
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