Diameter of stick: 25mm

Non printed parts:

• 2x M3x16 screw
• 2x M3 nut

Print parameters:

• Perimeters: 5
• Layer height: 0.2mm
• Print material: whatever, mine is PETG

…or use my 3mf file

You need to print it 2x, however, print first one and test it, then print the second one.