Multi option refillable spool

2024 - Upgraded version designed - see also the flat storage spool ! Multi-solution modular spool for refill filamentOnce printed on site it will be useful for housing ready-to-use a roll of original "refill". It features two recesses in which to thread a peg of the shape required for the refill's paper holder rotation lock (only one is needed out of a total of 4 recesses, three must remain free). There is also provision for not fitting this insert so as not to have this protrusion o