12 to 14 mm nut trap test print by 2 mm steps
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12 to 14 mm nut trap test print by .2 mm steps

Same as my others but larger to cover 12mm 122mm 124mm 126mm 128mm 13mm 132mm 134mm 136mm 138mm and ...

similar models —

12 to 14 mm nut trap test print by .2 mm steps alternatives
Test 01
Papi79
Test Prints
FastPrint3D