These reusable spools are a great way to save some money on plastic, reduce waste and ditch the 'factory floor' look.

Learn more about why we're trying out reusable spools at http://protoparadigm.com

Designed for 3mm (1/8") acrylic or wood. The inner diameter of the spool hub is 2" and fits existing spool holders.

Assembly is quick and should be self explanatory given the pictures. Hardware is (4) M3 16mm bolts and nuts. The cross braces have geometry for additional nuts & bolts but are redundant and not critical.