In all cases, use your common sense, removing dead and diseased wood.
Removing only enough wood to create a smooth surface takes some practice.
Modern guides suggest cutting the plant back by half after harvest and removing old wood occasionally.
They remove less wood than a drawknife, so they are easier to control.
They remove wood or paint very quickly and aggressively.
Remove wood around the objects that comprise the pattern.
The chisel plane, which removes wood up to a perpendicular surface such as from the bottom inside of a box.
Barberry: If grown as a hedge, hard pruning can be done now to remove dead wood.
It requires good drainage and occasional pruning to remove dead wood.
Avoid removing bare wood, or the reassembled parts will not fit tightly.