Carving Roman Acanthus 7

Refinement on a Roman acanthus is the work of making the two halves of a leaf agree. You reestablish every tube and hollow by eye until left matches right, then open a narrow shadow line down the side of each one. A number 8 or number 9 slips into that gap. Sweep 7 will not.

Both halves carved, and one side still looks wrong to you? Have you set a gouge against a narrow gap and felt the steel was a hair too wide going in? By this workshop the roughing sits behind us, and the leaf has to start agreeing with itself, left against right. I settle that with my eye and not with the drawing, and I will show you why my way is quicker than it sounds.

What decides whether the pipes read at all

• Sweep number 7 is too shallow to reach down between a pair of pipes. An 8 or a 9 goes in.
• The fingernail grind lets the corner slice while you rotate the handle, so nothing tears behind the tool.
• Your hand belongs against the steel, not back on the handle. Control lives at the edge.
• Small gouges carve tighter shadows than big ones, and the shadow is the entire point of the work.
• Grinling Gibbons left his carving bare white wood with nothing on it, and light did the finishing.
• Rotate the vise and look straight down the leaf. Symmetry gets caught from straight overhead, never from an angle.

Which gouge fits between two acanthus pipes?

An 8 fits, and a 9 fits too. Sweep 7 does not. Fussy detail, until you are standing over the panel with a gap of maybe three millimetres between one pipe and the next, and the tool in your hand refuses to drop into it. The sweep number tells you how curved the edge is. Higher number, deeper curve, narrower the tool reads when you stand it on its corners. A 7 is a gentle arc. Stand it in a tight valley and both corners hit the walls before the middle reaches the floor.

So I take a 3 mm number 8. Sometimes a 9 in the same size. Either one drops in clean, and I walk it along the side of the pipe, removing the waste that sits between the two tubes.

Those tiny passes matter more than any of the big roughing work that came before them. Every pass throws a shadow. Carving in wood is an argument about light and about the dark beside it, and about nothing else. Painters have a whole philosophy of colour built up over centuries. We have no colour at all. So we get shadow, and we get the depth we carve to make it, and the trade is a fair one.

What is a fingernail gouge, and do you need one?

A fingernail gouge has its corners swept back into a rounded curve instead of a straight line across. Hold two of them side by side and you see it immediately. One edge runs flat across like a ruler. The other bows forward in the middle and falls away at the corners, the shape of a nail on a finger.

I have the same tool twice. One of them is plain. The other one, 3 mm as well, carries the fingernail. That shape is something I put on at the stone when I sharpened it myself, and nothing stops you doing the same to one of yours.

The curve buys a slicing action. Because the corner is swept back, I can rotate the handle through the pass and the edge shears across the fibre instead of pushing straight into it. Cleaner. Less tearing at the far end of the stroke, particularly where the grain turns against me.

Now let me be honest with you, because this is where a lot of teaching goes soft. You do not have to have that. A plain straight number 8 carves this leaf. The fingernail is a preference I earned over years at the stones, and I like the idea, and my edge helps me carve. Grind your only gouge in that size straight, and get on with the work.

Why hold your hand close to the steel?

Control. The closer your fingers sit to the steel, the more accurately the tool answers you, and the longer the pass you can hold true. I keep my hand almost touching the edge on every one of these refinement passes.

Hold the gouge back on the handle and you have made yourself a lever with the fulcrum in the wrong place. A tremble at the handle becomes a slip at the edge, multiplied by the length of the tool. Move up close and that same tremble is almost nothing. From there I can run one continuous pass the whole length of a pipe if the grain allows it, and a pipe carved in one pass looks nothing like a pipe carved in six.

The grain decides the direction, always. Not my convenience. When I feel the fibre lifting ahead of the edge I stop, rotate the panel, and come at the same line from the far side.

Why would you reach for a back bend?

Reach, mostly. A back bend curves the other way from a spoon gouge, which lifts the handle up and away from the surface while the edge stays down in the work. On a leaf that already has high pipes standing proud of the ground, a straight gouge runs its handle into the very thing you are trying to carve around.

Mine is a 3 mm back bend with a number 5 sweep. The Swiss stamp on it reads 25, and the numbering catches everybody out at first. I go through what those two digits actually mean in the next workshop, where a second back bend comes out of the rack.

Here is the same honesty as before. A straight number 5 solves most of what I use the back bend for, and you can get by without it. I use a lot of back bends because I have them and because they make my life easier. Owning one is not a condition of carving this leaf.

Did Grinling Gibbons stain his carvings?

He did not. English carvers going back to the 1300s and the 1500s left the work bare wood, with no stain and no shellac over it, and Gibbons, working a good while later inside that same tradition, kept to the habit.

German carvers went the other way. They boiled walnut shells down into a liquid and used the result as a stain, and I have shown that method in another workshop. Two traditions, two answers, both of them right for what they were after.

Think about what the English choice demands of the carver. With no colour and no finish to lean on, everything the eye reads has to be carved into the surface. You judge the depth against the shade you want, and you stop one pass before you think you should. Fresh judgement at every pipe, and nobody makes it for you.

My vise rotates, so I keep turning the panel under the lamp and watching what the light does from each side. Shallow here, dark there. The piece tells me whether to carve deeper before I ever decide it in my head. A vise that turns is the most useful judging tool in the shop, and you may own one already.

How many gouges does a carver actually need?

More than the internet tells you, and fewer than my rack holds. Let me give you both sides straight, because there is a popular idea out there that a real master works with a handful of tools, and I do not support that idea.

One gouge and one knife will carve beautiful work, and I have done exactly that. The trouble is that the two of them fence you in. Some shapes you walk away from.

Gibbons is the example I keep coming back to. He collected tools his whole working life, and you can lay his carvings out by date and watch the designs open up as the rack filled. Work appears that he simply could not execute before those tools arrived. The tools did not make him a master. They let the master do what was already in his head.

Some carvers say they use 10 or 12 tools on a regular basis. Maybe that is true for them. Not my case. I own a lot, I use most of them, and I will reach for three different gouges to solve the same problem on three different days, because you get bored with the same steel and because a different tool asks a different question of you.

And I know the real limit here is money, not philosophy. If this is a hobby, buy slowly and carve with what you have. Buy the tools as you can afford them, and buy faster if you mean to do work nobody else can do.

Tool	Size in my hand	Where it goes on the leaf	Optional
Number 9	Six millimetres, a quarter of an inch	Alongside a pipe on the very first pass	No
The plain number 8	3 mm	Into the gap between a pair of pipes, and down inside the eye itself	No
Number 8, ground to a fingernail	An eighth	Same gap, slicing while the handle rotates	Yes
Number 3	Twelve millimetres, or half an inch across the edge	Overall shape of the lobe again	No
Number 5	6 mm, quarter inch	Transitions, and any ridge that turned up where you did not want one	No
Back bend, sweep 5	3 mm	Flowing lines a straight handle fouls	Yes, though mine is never in the rack
Number 7	Fourteen millimetres, close to 9/16 in	Outside movement	Yes

Where do the two halves stop matching?

Turn the panel until you are looking straight down on it. From an angle every leaf looks fine, and from straight over the top the errors jump out at you. My vise swings the whole panel flat, and I use that more than any other feature it has.

Watch what I check. The reach of the left pipe against the reach of the right. Whether the two eyes sit on one line. Where each pipe makes its high point. A leaf can be off by a hair and nobody will ever know, but I want mine close to what I drew, so I fix what I find.

No drawing in front of me while I do this, and that is deliberate. I know the movement. This pipe travels to that point, therefore the one opposite reaches about the same distance, and I can see whether it does. Beginners lean on the drawing far longer than they need to, and the day you put it down is the day your eye starts doing real work.

Sometimes I exaggerate a pipe on purpose. Not just rounding it over into a convex tube, but taking a sixteenth of an inch gouge, about 1.5 mm, and undercutting one side of it slightly, sometimes both sides, purely to drop a black line in there. Pipes that look carved rather than sanded owe everything to that one thin line of dark. Too early in this workshop for the full treatment, and you will understand it when we get to the undercutting.

What does a pipe and an eye actually mean on this leaf?

A pipe is the rounded tube of leaf material that runs from the base of a lobe out toward its tip, and an eye is the small deep hollow where two pipes meet and turn. Both came into the acanthus long before any of us, and the Romans did particular things with them that the Greeks did not.

Get the pipes flowing correctly and the leaf moves. Get them wrong and you have a lumpy board with grooves in it. Most of why this workshop exists sits inside that difference.

I dig the eyes deeper than feels comfortable, because the eye is where the darkest shadow of the whole leaf collects. A three millimetre number 8, worked at an angle down into the hollow, and later a proper undercut when the piece is strong enough to take it.

There is more the Romans did at the eyes and the pipes, ornament that arrived in their era and never appeared on a Greek leaf at all. Those belong to a future workshop. For now we carve the structure that everything else sits on.

What if my two sides will not match?

Fix the one you like less, and leave alone the one you like. Whole method, right there. I carve the right side, look at it, decide whether I am happy, then bring the left to meet it.

Never try to meet in the middle. Pick a winner and copy it. When neither side satisfies me, I lower them both with a half inch number 3, 12 mm, and start the movement again, and losing 1 mm of depth costs nothing at this stage. Material is cheap. A leaf that never flows is expensive, because you will look at it for thirty years.

Same with the ridges. You carve a pass, it leaves a small ridge you did not plan, and the ridge is barely visible. Take it out anyway. Under raking light that invisible ridge becomes a line across your leaf, and by then the surface around it is finished and you cannot reach it. Small things. They really do matter, and if you carve basswood you have no hard grain to hide behind.

Do you want to keep guessing at where the shadow should fall, or would you rather have somebody show you, workshop after workshop, until your own eye does it without asking? Shall we carve?

Everything in this workshop belongs to the Roman acanthus series, and the whole library of it opens with tuition. If you would rather carve beside me in the shop, we run workshops in person as well.