This aluminium 1515 profile with a length of 1 metre is ideal for building a 3D printer. The profile (15mm x 15mm) has grooves where sliding nuts (M3 nuts) can provide the necessary attachment points. Aluminium profiles can easily be cut to size with a hacksaw. The ends of the profile are provided with a 2.5mm hole and can be provided with screw thread by means of an M3 tap.