A lamp holder is the device for holding a light bulb or lamp. Most light fittings or luminaires have a lamp holder.
For wall and ceiling lights with a fixed lamp holder, it's important that the lamp holder is compatible with the type of bulb you want to use.
1. Use Lofted Surface command to create this holder.
There are three guide curves and three profile curves.
2. Circular pattern to copy this surface with 8 instances.
3. Add planar surface at the top and extruded surface at the bottom.
4. Knit surface to change become solid
5. Shell command with 1.5 mm of thickness
May be useful