via @LesUsines_Louise (here)
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A pipe holder as curtain support (seen at ZK/U Berlin)
A street light to light an indoor staircase (seen at ZK/U Berlin)
A brick as part of a board - still good to be used as a brick - or for example as a base for a lamp
Parts built with a unified grid are somehow always in ‘Pre-Use’ (see also related forum topic)
Escalator Stairs as Real Stairs (Seen at ‘Deutsches Museum’ Munich Germany)
A temporary bench made by the architecture collective BellaStock
Off shore water tanks as temporary water park | Work by BellaStock, created at ZK/U Berlin Summer 2017
Iglu from EUR pallets | Seen at Astana (Kasachstan) during the Expo 2017
Somewhat close to Pre-Use: A bench in the largest shopping mall of Astana (Kasachstan)
‘Le Hugo’ – a Pre-Use modular toy kit for kids by Mifactori made with regular nuts and bolts: If the kid is grown up these parts are still useful.