FINELED (Pack-3) E17 to E26 Socket Adapter,Intermediate Base E17 to Standard Medium Base E26 Converter - Amazon.com
KOPPLA B15 to E14 bulb converter - IKEA
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Mega Review, Teardown: IKEA Sparsam CFL & Ledare LED Globes | Gough's Tech Zone
2pcs E27 to E17 Light Socket adapter E27 to E17 lamp holder converter, CE Rohs,Install E17 lamp into E26/E27 Socket - AliExpress
Free STL file E27 to E14 Adapters (IKEA) 🪞・3D print design to download・Cults
YiLighting - E12 Candelabra Screw to E26/E27 Standard Medium Edison Screw Base Socket Reducer Adapter Converter (E12 to E26/E27 Adapter) For LED CFL Lamp Light Bulb ONLY (1) - Amazon.com
Ikea Solbo adapter to support E14 Lamps by MauriceR | Download free STL model | Printables.com
Free STL file E27 to E14 Adapters (IKEA) 🪞・3D print design to download・Cults