11-19-25

  1. I’ve got key rings for keychains!  Come and get one.
  2. Review – avoiding overhangs.
  3. Together: making a sample ring in Tinkercad.

Sample measurements for our sample ring:
knuckle size: 19.8mm – add 1.5mm in Tinkercad.
magnet thickness: 1.4mm – add .5mm in Tinkercad.
magnet diameter: 5.8mm – add .5mm in Tinkercad.

Skills:
>moving the workplane
>aligning
>shape options
>rotating for best print quality

4. Assignment on your own: 3d printed ring with magnet