1st try at freehand? - Router Forums
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post #1 of 16 (permalink) Old 10-25-2015, 12:02 PM Thread Starter
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Question 1st try at freehand?

How can I attach a pattern (a line art drawing) to a piece of wood to be able to remove it somewhat easily after routing? My first attempt went very badly. The routing on the lines was good, for a first try at free hand routing but, the pattern removal was terrible. I used spray adhesive to attach it but taking it back off was really bad.
Would I be better off to maybe use something like SealCoat on the wood first? I used 3M Super 77 adhesive and only sprayed the back of the pattern lightly.

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post #2 of 16 (permalink) Old 10-25-2015, 12:37 PM
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I often use 3m super 77 adhesive for attaching patterns. To remove the pattern give it a wipe with mineral spirits on a paper towel. The mineral spirits will soak through the paper and the pattern will peel right off. Once the paper is removed use the mineral spirits soaked paper towel to remove any left over glue residue.

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post #3 of 16 (permalink) Old 10-25-2015, 01:09 PM Thread Starter
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I often use 3m super 77 adhesive for attaching patterns. To remove the pattern give it a wipe with mineral spirits on a paper towel. The mineral spirits will soak through the paper and the pattern will peel right off. Once the paper is removed use the mineral spirits soaked paper towel to remove any left over glue residue.
That's what I thought. I should have mentioned that I did try this. But, the pattern came off very, very hard and, only with scraping. And the glue just seemed to turn into rubber. Just sort of balled up into tiny bits and would not just wipe off. Could it be a problem with using this?
After getting what I thought was the most of it, I tried to sand and all I did was gum up my sandpaper.

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post #4 of 16 (permalink) Old 10-25-2015, 01:48 PM
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My personal preference is Lee Valley's fish glue. It stays water soluble forever. Wet the pattern down with a spray bottle and it will peel right off. Any residue cleans up with a damp cloth. Has many other uses too.
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post #5 of 16 (permalink) Old 10-25-2015, 03:39 PM Thread Starter
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My personal preference is Lee Valley's fish glue. It stays water soluble forever. Wet the pattern down with a spray bottle and it will peel right off. Any residue cleans up with a damp cloth. Has many other uses too.
Interesting,,,,,, says 12 hour clamping time, 12 hour joint conditioning time, 1 to 1 1/2 hours open time,,,,,,,,, still interesting.
Do you actually use it for this application?
I'm thinking that once the pattern is in place, I'd only need maybe 2 hours until done. Depending on phone and nature calls.

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post #6 of 16 (permalink) Old 10-25-2015, 04:21 PM
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Interesting,,,,,, says 12 hour clamping time, 12 hour joint conditioning time, 1 to 1 1/2 hours open time,,,,,,,,, still interesting.
Do you actually use it for this application?
I'm thinking that once the pattern is in place, I'd only need maybe 2 hours until done. Depending on phone and nature calls.
I am using the same brand of mineral spirits you are Roger, so I'm not sure what the problem is. I just put a very light coat of the spray glue on the paper and immediately apply it to the wood. I haven't had any of the issues you have encountered. What wood are you using and how smooth is it before applying your pattern? Perhaps you might consider switching to the wintergreen oil or lacquer thinner method of transferring your pattern.

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post #7 of 16 (permalink) Old 10-25-2015, 07:20 PM
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I use 3m super 77 adhesive to fasten pattern to wood, after routing I put a little mineral spirits on the pattern and it lifts right off effortlessly, then wipe down with a clean rag and more MS, let dry then spray my black ink on. Works great for me..
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post #8 of 16 (permalink) Old 10-25-2015, 07:48 PM
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I print my stencils on actual photo paper, then I use the same 3M spray glue. So far I have been able to remove 95% or more of each photo paper print from the boards. The left over residue easily sands off with my random orbital sander.

I also use the old fashioned carbon paper and an ink pen to use to transfer stencils to the board.

Good luck!!
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post #9 of 16 (permalink) Old 10-25-2015, 09:00 PM
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I use this stuff for scroll saw patterns. Don't see why it wouldn't work for your application too.
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post #10 of 16 (permalink) Old 10-26-2015, 07:36 AM Thread Starter
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Oliver, I used a piece of qswo scrap that I had that was big enough to be a good trial. It was only sanded to 120 and, now that you brought it up, that may be the problem. Too much "tooth" for the glue?
Anyways, I'm going to do the final work on cherry that will most likely be sanded to 220. And possibly have 1 coat of Seal-Coat wiped on?

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