Little kit designed after one you might know. 

5cm wide tape fits nicely. To hold the needles i inserted a bit of cotton.

Thread is M8x1,25 and it might be to tight after prnting. You might try different scales but i recomend tap and die, just to get it right

I drilled the tiny hole on the spool just to avoi any printing problems.

Made it with PETG with no real issues.

Update_1: Deleted chamfer on the ends of the threads. Now they should fit better srtaight from the printer.