Printed spool (large diameter)

SummaryThis design is a printed spool.I made this model specially with a large diameter for brittle filaments. The model using the "short branches" has an inner diameter of 22cm while the "long branches" make for a 25cm diameter.The spools are compatible with my "low friction" filament holder: https://www.thingiverse.com/thing:5253211To make one spool you need one "spool center A", one "spool center B" and 6 branches.The clearance is calculated so that you need to use a hammer to assemble the pa