Fits flat twisting cylindrical kitchen timers (magnet or not what matters is the shape) with Ø63.20 mm.

 Printable literally, could be enhanced but fits perfectly.

I'm going to state the obvious but it's great for time lapses!

Materials needed:

• Kitchen timer
• Gopro, or any gopro montable thing
• Nut end cap
• Gopro screw

Print settings:

• PLA
• LH: 0.28
• Tree supports
• The infill is wierd please note below the attachement there is a space that needs good infill go for >50% with a stable pattern