This spools is made expressly to wind on 3d printing filament (FDM) but it's also used for cables and ropes.
In 2019 it was restyled, design consists of a central part with easily recognizable 5 asymmetric sections which distinguishes the "alpaplastic style". The reel has a straight ribbing with "diamond" cut to guarantee brilliance and play of lights when made in a transparent raw material.
It's a revolutionary design, introduced by alpaplastic in plastic spools market on 2014.
The "KDL" version is available with a smooth section on the flanges for all the customers which want to apply an external label.
Spool capacity is about 1 kg 3d printing filament (FDM).
Made usually in High impact polystyrene, polycarbonate (PC) or other raw material with high heat resistance (up to 160 °C).