Peter Opsvik designed the Variable Balans ergonomic kneeling chair in 1979 and has shaped Varier’s chair line ever since. See the Balans family and the Ekstrem postmodern lounge that share his design language. This page sits alongside the broader ergonomic kneeling chair hub and outlines the Opsvik-designed portion of the Varier line. We use Peter Opsvik attribution as a verified historical credit; for more on his career, see the editorial coverage on the Varier press archive.
Who Peter Opsvik is, briefly
Peter Opsvik is a Norwegian industrial designer best known for designing the Variable Balans in 1979 — the chair that started the kneeling-chair category — and the Tripp Trapp child’s chair (a separate Stokke design). His Varier-line work centres on active-sitting and sculptural-furniture design, with the Balans family carrying decades of his work into continuous production.
The Varier products attributed to Peter Opsvik
- Variable Balans — 1979 kneeling chair.
- Variable Plus — Variable platform with backrest.
- Thatsit Balans — adjustable kneeler.
- Wing — wider-seat kneeler.
- Multi Balans — multi-position kneeler.
- Move stool — sit-stand active stool.
- Gravity Balans — zero-gravity recliner.
The Ekstrem accent lounge is by Terje Ekstrøm but sits in the same Varier portfolio under similar Norwegian production. The Variable Balans remains the canonical Opsvik chair.
Heritage and origin
Norwegian, since 1979. Designed by Peter Opsvik. The Balans family is the longest continuous Opsvik-designed product line in production. Decades of refinement, the same hand on the design language across multiple chair formats.
Frequently asked questions
Did Peter Opsvik design the Variable Balans alone?
The chair is attributed to Opsvik. As with most industrial-design work, supporting development teams contributed; the design credit is Opsvik’s.
Is Peter Opsvik still designing today?
His career spans many decades; his contribution to the Varier line is the established Balans family.
Are all Varier chairs Opsvik designs?
Most kneeling and active-sitting chairs are. The Ekstrem is by Terje Ekstrøm. Other items in the Varier catalogue may have different attributions.
Where is Opsvik’s design archive held?
His work appears in design-museum collections internationally and in the Varier press archive — see the Peter Opsvik chairs piece for editorial coverage.
What was the Tripp Trapp?
A separate child’s chair Opsvik designed for Stokke. It does not sit in the Varier line, but is part of his career portfolio.
