Clay threader / Threading tool
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Description
With this thread, you can provide your clay jars with a screw thread. Fits the standard PET bottles or soap dispensers perfectly.
IMPORTANT: Every clay shrinks during firing! You need to scale the tool according to the shrinkage factor of your clay to obtain a suitably scaled version. This will ensure that the lid will fit in the end.
SCALING MATH:
( 1 / ( 1 - ("YourShrinkingRate" / 100 ) ) - 1 ) * 100
If your clay shrinks 14%: ( 1 / ( 1 - (14 / 100 ) ) - 1 ) * 100 = 16,28
→ You need to scale the object 16,28% bigger.
There are 3 different thread cutter with different rotations (see pictures).
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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