Another coil jig

Uploaded new version, the changes are:
- added screw to tighten insert in both parts
- modified inserts to watch the coil while winding: coil becomes more accurate!
- put arrow on other side, so you can hold wire with the thumb instead forefinger

I´m very happy with this new version!

Just another coil jig, works the same then the others on Thingiverse.
Addet feature are the inserts, for coils with other diameter only print the inserts 1 and 2 with the diameter fits your coil and th