About

Search for content

All the parts finally finished and ready to be screwed together.

All the parts finally finished and ready to be screwed together.

Large cog stained and screwed into the roller. I covered up the screws with a large button that I glued on with PVA.

Large cog stained and screwed into the roller. I covered up the screws with a large button that I glued on with PVA.

Small cog stained and glued to my wenge handle.

Small cog stained and glued to my wenge handle.

Beech button with inlayed wenge pellet and finished with burnishing cream.

Beech button with inlayed wenge pellet and finished with burnishing cream.

Turning a set of beech buttons to cover up the screws on the cogs.

Turning a set of beech buttons to cover up the screws on the cogs.


Cogs cut and ready to be stained with wood dye. Only two are needed- I made a variety so I can experiment with cog combinations.

Cogs cut and ready to be stained with wood dye. Only two are needed- I made a variety so I can experiment with cog combinations.

Cutting the cogs on the bandsaw. Accuracy is important here - the teeth of the cogs have to synchronise perfectly together when turning.

Cutting the cogs on the bandsaw. Accuracy is important here - the teeth of the cogs have to synchronise perfectly together when turning.

Paper templates of my cogs stuck on thick ply and ready to be cut out.

Paper templates of my cogs stuck on thick ply and ready to be cut out.

With the exact position marked on each arm, the shelf is clamped and ready to be screwed into place.

With the exact position marked on each arm, the shelf is clamped and ready to be screwed into place.

Using a stack of books to position the shelf in the exact position. The top of the embedded mouse has to sit about 1mm below the roller, so that the sensor tracks the spinning motion and moves the cursor up/ down the screen of the iMac.

Using a stack of books to position the shelf in the exact position. The top of the embedded mouse has to sit about 1mm below the roller, so that the sensor tracks the spinning motion and moves the cursor up/ down the screen of the iMac.