T2 to T2 extender
thingiverse
I misplaced my ZWO T2 Female to T2 Female 11mm Extender/Spacer that came with my ASI183. T2 is M42 with a 0.75 mm per turn pitch, which I augmented by adding a 0.3mm extra tolerance at 0.1mm layer heights for precision. Customize it however you like - the design is yours to play with. Print it in black; the orange was only used to enhance the visual presentation of the item. The OpenSCAD script utilizes the threads library, courtesy of Dan Kirshner, found at https://www.thingiverse.com/thing:1938150. Since this library adheres to GPL terms, this design is also governed by GPL regulations.
With this file you will be able to print T2 to T2 extender with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on T2 to T2 extender.