You might dig this:

https://www.kickstarter.com/projects/electroninks/circuit-scribe-draw-circuits-instantly?mobile=0

Cheers,
Harry

On 10/21/14 11:18 AM, Jim Felder wrote:
> Tell you what. You buy this stuff in  a dispensing tube, it's 30 bucks I
> think, and you use a nickel's worth of it and then throw away the rest at
> the end of its relatively short shelf life. Why doesn't everyone who wants
> to use some email me with their address, and I will put it in an envelope
> and send it to one of you who can cross out their name and send it to the
> next. By the time it gets back to me, I may need it again but it won't all
> go to waste.
>
> Jim
>
> On Tue, Oct 21, 2014 at 10:13 AM, sailingfc @dslextreme.com <
> sailingfc@dslextreme.com> wrote:
>
>> Thanks for the tip on the conductive ink.  I have a non-Vanagon electronic
>> device that has a broken trace on a flex circuit.  It's been sitting for
>> years as it is "too expensive" to throw away.  I'm going to try it.
>>
>> -Dick-
>> 78 Scirocco
>> 87 Vanagon Syncro
>> 12 Golf TDI
>>
>> On Tue, Oct 21, 2014 at 4:22 AM, Jim Felder <jim.felder@gmail.com> wrote:
>>
>>> In the past, I tried two different "fixes" to common vanagon problems and
>>> I
>>> thought i would wait to see how they turned out before commenting on them.
>>> It's been several years that both have been in service, so here goes:
>>>
>>> Modifying visor clips to allow the use of late model visors in early
>>> vanagons. I would think that about 100 percent of early vanagons now have
>>> shabby bags of foam crumbles instead of nice functional visors. All I have
>>> seen have been that way. I had a bunch of late model visors but because of
>>> the way they mounted, you couldn't use them in an early 80s model because
>>> there was not enough distance between the retaining slot and the roof of
>>> the car where the retaining post (the part that the visor swings into and
>>> clips) was too short. The solution was to make posts that allowed the
>>> thicker molded visors to fit. I used a model saw to cut the top off of one
>>> mount and the bottom off of another insect a way that the result was a
>>> taller mount. I was afraid that given the heat and the leverage it might
>>> give up and split, but both are working well after a couple of years.
>>>
>>> The other thing that surprised me is the quality of the conductive fluid
>>> pen you gat at places like Radio Shack to repair printed circuit board
>>> paths. I used this to extend the worn-off copper around the final end of
>>> the instrument foil in my 83, and it has held up under repeated removal
>>> and
>>> replacement of the long connector. Between troubleshooting, brake lights,
>>> master cylinder, turbo instrument wiring and so forth the thing has been
>>> snapped in and out at least a dozen times since the repair and it
>>> functions
>>> perfectly so far.
>>>
>>>
>>> Jim
>>>
>>
>>