From FreeCAD Documentation
- Repeat the first two steps from the previous section.
- Draw a closed sketch with the required inner diameter
10 mm
, outer diameter around 12.6 mm
, and pitch 3 mm
, but draw only a single tooth of the sawtooth.
- Select the sketch, then click on
PartDesign Revolution. Select Vertical sketch axis
, and press OK.
- Select the
Revolution
, then click on
PartDesign Linear pattern. Select Vertical sketch axis
. For a fake thread with a pitch of 3 mm
, set the Length to 3
, and Occurrences to 2
, then press OK. This will create two discs, one on top of the other.
- You can add more discs by increasing the value of Occurrences in the linear pattern, and by raising the Length, which is the total length of the fake thread.