Rounding gauge key ring

EN Translated with www.DeepL.com/Translator (free version)Roundness gauge key ring for radius from 1 to 12 mm with magnet or not in double or single ring4 versions:1- Basic (without magnet and single ring) Basic.stl2- Double ring DoubleRing.stl3- Magnet 5 mm diameter by 10 mm long Magnet 5mm.stl4- Magnet 10 mm diameter by 10 long Magnet 10mm.stlIndividual files:1-8.STL2-12.STL 2-12 Ring.STL2-12 Magnet 5mm.STL1-8 magnet 10mm.STL2.12- magnet 10mm.STLIf you want to use shorter magnets, print a 5 or 10 diameter cylinder of the desired length, the holes in the part are 5.2 and 10.2 mm respectively, i.e. a tight fitThe change of filament for the lettering is done on the last 3 layers for a 0.20 print, 4 layers in 0.15 and 6 layers in 0.10Assembly to be glued with cyanoacrylate glue or other strong glue for pla or petgMagnet to be provided 10 mm long, 5 mm or 10 mm in diameter and according to version. Glue the two parts together before and after drying glue the magnetThe central hole can be