250G AMS Spool Adapter - Printable Threads

Spool Adapter for 250gr spools with an core diameter of 53mm. No need to remove cardboard sides Originally made for some TECSONAR tri-color filament I had never used. That have a core size of 53mm, and a total width of 35mm.May fit other 250g spools. Threads are 45° trapezoidal for ease of printing at larger layer heights. If you have other spools with different core diameters, please let me know and I will upload modified versions.