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  • Tj Brown
    Tj Brown

    Epoxy Filled Scroll Saw Projects

    This is just the latest process that I'm using. It's constantly evolving and I'm looking forward to seeing any ideas from other scrollers that might improve on it. Getting new ideas and learning new tricks is something that I have always enjoyed about meeting other woodworkers and seeing their work.

    Applying The Pattern

    1.jpgAffix your pattern to the wood. This is a Celtic cross design from Sue Mey that I like.

    Interior Cuts

    2.jpgMake your interior cuts. I use an air compressor to blow the dust out of the wood. Then I cover the face of the design with a double layer of packing tape to use as a backer for the resin.

    Resin Dam

    3.jpgI use common plumber's putty to build a (dam) around the design.

    Epoxy

    4.jpgAfter trying many different brands. I found the Promise brand deep pour tabletop epoxy works best for me. I also use a digital scale to make sure that I get an exact 50/50 mix to the gram.

    Dyes & Powders

    5.jpgI use Alumilite dyes and powders.

    Adding Color

    6.jpg7.jpgIt doesn't take much of either. 1 drop of the dye and just a little of the gold and green powders. The amount of powder shown here is about twice the amount needed.

     

    Mixing

    8.jpgWhen you are mixing. Mix the resin and colors slowly while scraping the sides and bottom of the container. Try to keep the air bubbles to a minimum.

    Pour

    9.jpgThen slowly pour the mixture trying to fill all the holes evenly.

    Popping Air Bubbles

    10.jpgOnce poured. I use a cheap hair dryer to heat the resin and get as many bubbles out as I can.

    Let The Epoxy Cure

    11.jpgI let it sit for 24-36 hours to harden. I keep my shop around 70 degrees.

    Trimming The Epoxy

    12b.jpg12.jpgAfter the has hardened, I remove as much of the plumber's putty as I can and run it through my planer to level the back surface down to the clean wood.

    I make very shallow passes. Maybe 1/32 at a time.

    Exterior Cuts

    14.jpgNow I drill an entry hole and make the exterior cuts.

    Support Material

    15.jpg16.jpgI save the wood from the outside of the design and peel all the tape off.

    I put the piece back into the wood that I cut it from and tape the back side to hold it. This is to protect the piece while running it back through the planer.

    Final Planing

    17.jpg18.jpgThen I lightly shave the front of the piece down until I get it down to clean wood.

    Finishing

    19.jpgThen remove the piece and sand. I start with 100, 220, 320, 400, 600, and finish with 800. 

    Once done you can apply the finish of your choice. I use clear polyurethane.

    Final Project

    I hope you enjoyed reading about my process and I look forward to seeing the projects you make.  The next photo is a different cross but shows what it looks like when finished.

    20.jpg

     

     

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    Awesome, thanks for the writeup!  I may have to give resin another try.  Quick question, though.  What heat gun do you use to get the bubbles?  Would it be better to pour a layer, de-bubble, pour another layer, de-bubble, etc etc?  Or is a standard heatgun sufficient to get all the bubbles out of, say, a 1" thick cutting?

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    I use a cheap hair dryer and pour 1/2 inch. Haven't tried any deeper than that. I have used a torch in the past and got the resin too hot and it dried and split in places. It's important to have a dryer on your air compressor so no moisture gets into your cuttings. 

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