A Power-Sculpted Contemplation BenchComments (0)
This bench has a simple design featur-ing assembly with mortise-and-tenon-style joinery but it will still challenge you creatively. By the time you're finished, you will be comfor-table creating gentle hollows and grace-ful curves over large surfaces using free-hand techniques. And since no two contemplation benches are exactly the same, each one is a chance to showcase your own design ideas.
When selecting wood for the project, let your imagination run wild. A piece such as this lends itself to showcasing some pretty choice woods. Since the construction is so simple, it's best to think about strength as well as beauty.
Some of the best species for the job include zebrawood, purpleheart, tiger maple and mahogany. Feel free to mix and match species for visual effect; walnut and maple, for example, make a classically interesting match.
Mill your lumber and rough-cut it to size (see cut list). The bench itself consists of just three parts: two legs and a seat. If your leg stock is less than 9" wide, you will need to glue-up two or more boards. The seat, on the other hand, will be constructed from three separate pieces that will form the open mortises while giving you the 9" width. The best-case scenario will allow you to cut the three seat pieces from a single piece of stock, thus maintaining grain continuity. Be sure to account for the kerf when milling your stock.
The centerpiece from the seat stock is then cut to 18" by removing the appropriate amount of material from each side. The three seat Pieces are then glued back together leaving an approximately 7" open fit.
Once the tenons are cut, the carving can begin.
Let the chips fall where they maySome of the tools you will use include a rasp, block plane, angle grinder outfitted with an Arbortech carving
blade, a 7" polisher outfitted with a sanding disk and a random orbit sander for final smoothing.
Take care not to remove too much
wood at first. As the old saying goes, it’s easier to take some more wood off than to put some back on.
The simple object of your carving is
to remove all the material in the most efficient way possible. For the larger curves, the best tool to use is the angle grinder (Fig. 2). You might want to start by setting a depth at the edge of the board, then working your way across. Generally stay 1/16" to 1/8" above the line in this rough stage.
The next step is rough smoothing and refining the curve. The surface is probably very uneven at this stage, and aggressive sanding is one of the best ways to smooth everything out. A 7" polisher outfitted with a sanding disk works great (Fig. 3).
Bringing it all together
holes in the tenon are made using a hollow chisel mortiser outfitted with a 3/8" bit. The hole should be just slightly deeper than 1/2" .
Once the square holes are cut, clamp the legs in place and pre-drill for screws. Remove the legs, apply
a coat of epoxy to all the mating surfaces and clamp them together again before driving your screws in.
The square screw caps (Fig. 5) can be made from any contrasting wood that is 3/8" x 3/8" square. Sand all four corners lightly at 45° and use the bandsaw to cut off the cap. Repeat this process for the remaining caps. With the tenon in place, you can finish carving the outer seat curves using the power carving tools as before.
Once the main curves are carved and smoothed to your satisfaction, ease all sharp edges with a rasp, file and some sandpaper to blend the surfaces smoothly.
Sand the entire project to 180, and it’s ready to finish. One method you might want to try is putting on a coat of dewaxed blonde shellac. Once that dries, gently sand the surface with 400-> grit wet-dry sandpaper or #0000 steel wool. Clear all the dust off the surface > and put on two coats of a natural oil- poly blend to really bring out the figure.The only thing left to do is pour your-self a cup of coffee and contemplate what you are going to build next!
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