Giant Molecular Model Kit - Double Bonds

These double bonds will perfectly fit 3D Printy's Giant Molecular Model Kit . Double bonds were missing from the original kit, so I designed the following variants with a similar style and the same assembly mechanism: Bonds New double bonds, missing from the original set. Default stems allow atoms to rotate freely. Locked stems prevent atoms from rotating. stem-medium-double stem-medium-double-locked stem-long-double stem-long-double-locked *You can test your printer capabilities with my QuBenchy - 3D Printing Torture Test Cube: 📷 Image redacted — claim this model to add your own media