<span style="font-family: Theinhardt, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen-Sans, Ubuntu, Cantarell, &quot;Helvetica Neue&quot;, sans-serif;">The small stool in front of the storage wall was made using spare timber from the production of the dining table and chairs. The way the form is created from a single repeated element gives the stool its name: 'Riff'. "</span><span style="font-family: Theinhardt, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen-Sans, Ubuntu, Cantarell, &quot;Helvetica Neue&quot;, sans-serif;">A  riff is a repeated chord progression in music,  Photo 3 of 17 in They Made Their Own Sofa—and Just About Everything Else in Their Family’s Quirky London Flat

They Made Their Own Sofa—and Just About Everything Else in Their Family’s Quirky London Flat

3 of 17

The stool in front of the storage wall is made of timber leftover from making the dining table and chairs. It gets its name, Riff, from the repeating form. "A riff is a repeated chord progression in music," explains Mike.