5 model

Free

Fountain Pen with Magnetic Cap V2

Thingiverse

Free

O Fountain Pen (*kaweco sport style)

Thingiverse

Free

Pocket Fountain Pen V1 (Kaweco Sport Nib Unit)

Thingiverse

Free

3D printed "Bold" fountain pen

Thingiverse

Free

Modified Diamine 30ml Fountain Pen Ink Tray

Thingiverse