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).

• d1: 200 mm
• d2: 105 mm
• d3: 52 mm
• d5: 11 mm
• e1: 44,5 mm
• l1: 68 mm
• l2: 59 mm
• Winding volume : 1342 cm3

This item is available made in recycled plastic coming from packaging recycling too. The spool is certified "Plastic Second Life®, from plastic waste". More details on IPPR web-site: https://www.ippr.it/