I was asked to do a simple upholstery on a custom fabricated motorcycle seat.

Doing upholstery and custom stitch pattern on a bike seat for me starts with measuring and putting down visual lines for possible cutting options.

The first decision concerns the desired width and length. 

Trying to figure out the best radius.

Cutting curvatures to size.

Straight lines are more easily cut.

Manually pinning the stitch edge, in order to minimize the need for material stretching.

Everything pinned in desired curvature.

Completing the missing lines.

A rough cut.

After a rough cut, a nice spline was drawn and I also added a second folding line.

Two materials being pinned before the stitching begins.

Stitching is kinda straight forward.

First, all pieces are sewn together.

This is how it looks when the first part of the stitching process is done.

The second part is the double stitch.

I am using a single needle machine, so I first run one stitch and then the other parallel one.

The next phase is mounting the leather to the seat.

A bit of stretch and stapling in place.

Cutting the excess material.

Bit more stapling.

A finished product.

Parallel stitch is never 100% parallel when when working with a single needle, but it’s close enough.

A detail of three pieces connecting.

Front detail where the seat leans to a gas tank.

Curvature that follows the seat lines.

Rear end.

Upside down – a detail.

Here are few photos of the finished seat installed on a motorcycle.

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