Kee Klamps for homemade furniture construction plans with scaffold pipes.
Pipe Loft Bed Project : r/DIY
Things You Can Make From Kee Klamp Fittings | Kee Systems
Make DIY Bunk Beds or Single Platform Bed from Kee Klamp Scaffold and Boards with Basic Tools - YouTube
Kee Klamp® Key Clamps: Beyond Handrails | Kee Systems
a Round Rail bed, circa 2000s, with Kee Klamp joints and six strut horizontal supports, 67.5cm high x 136cm wide 196cm long, one scaffold clamp missing Note by Ron Arad on artnet
Kee Klamp®: beyond handrails - Specifier Review
Hybrid Pipe Bed : 7 Steps (with Pictures) - Instructables