Outside
1mm 3mm 5mm 7mm 9mm 11mm 13mm 15mm 17mm 19mm 21mm 23mm 25mm 27mm 29mm 31mm 33mm 35mm 37mm 39mm.

Inside
1mm 3mm 5mm 7mm 9mm 11mm 13mm 15mm 17mm 19mm 21mm 23mm 25mm 27mm 29mm 31mm

You have another of circumferences in a pyramid but in two pieces.
https://www.thingiverse.com/thing:434878

If you found this useful, please donate what you think it is worth to my paypal.me. Help cover the time of design.
Thanks, Enjoy!

Pirámide de calibración

Exterior
1mm 3mm 5mm 7mm 9mm 11mm 13mm 15mm 17mm 19mm 21mm 23mm 25mm 27mm 29mm 31mm 33mm 35mm 37mm 39mm.

Interior:
1mm 3mm 5mm 7mm 9mm 11mm 13mm 15mm 17mm 19mm 21mm 23mm 25mm 27mm 29mm 31mm

Tienes otro de circunferencias en pirámide pero en dos piezas.
https://www.thingiverse.com/thing:4348783