How Long is a Piece of String?

The last measuring tool you will ever need, able to measure everything! (as long as its the length of a piece of string)
4h 44m
3× print file
0.20 mm
0.40 mm
53.00 g
In the contest Measurement Devices
12
11
0
510
updated November 29, 2022

In collections (3 public and 8 private)