Simple mount for a lightstand and whatever surface you can attach 2- or 4- M5 bolt pattern, 4-M3 bolt pattern or just epoxy the top part.

BOM

Mount body:

• 4x M5 18mm Bolts
• 4x M5 Nuts

Connector:

• 1x M5 18mm Bolt
• 1x M5 Nyloc nut

Light mount lock

• 1x M5 10mm Bolt
• 1x M5 nut

Upper part

Depending on connector design – see *.scad files.

2xM5 bolt pattern

• 2x M5 16mm Bolt
• 2x M5 Nut

4xM5 bolt pattern

• 4x M5 16mm Bolt
• 4x M5 Nut

Project page

https://github.com/avolkov/openscad-designs