Laser wheel and stem aligner

Took the idea from this guy: Drukarka 3D w warsztacie rowerowym | Creality K1 od Geekbuying.com (youtube.com), you need to check him out.What you need:7mm nut with bolt (There is also .f3d file to modify it),some cheap laser from local hardware store (around 5mm diameter).Laser on amazonBefore aligning your stem, check if the laser is perpendicular to the triangles that goes on the handlebar. Adjust by turning the laser (The tutorial is in the linked video).If the laser is parallel to the wheel axis, it means your bike stem is perfectly aligned with wheel.