Spool winder v3

Hi guys,if you wonder what to do with empty spools here's my 3rd iteration of Spool winder (see previous version here.This winder works with empty 1kg spools from PM (Plasty Mladeč) and can hold up to 20m of cord. Max.outer plug diameter is 46,5 mm.EDIT: I added .STEP files for all components, feel free to modify!NOTE: This model uses old type of PM spools! These are the goals I aimed to achieve:fully 3D printableall parts can be 3D printed on 22x22 cm bedsturdy and functional designuse as few supports as possibleduplicate as many parts as possiblenice designImprovementsnew hexagonal rods which are printed horizontally to improve stifnessreduced number of parts including removed shaft washer and adapter caprevised design of socket adapter ensures better printability, less used material providing same functionality as beforenew polygonal designeasier to print shaft screwBill of materials3x Rod6x Nut4x Side2x Bottom1x Adapter screw1x Adapter1x Socket spool adapter1x Socket ring1x Shaft b