![Just finished making this custom Rotring Quattro pencil w/ .3mm, .5mm & 2x .7mm. Took some work to get 4 mechanisms to all fit and function, proud of how it turned out : Just finished making this custom Rotring Quattro pencil w/ .3mm, .5mm & 2x .7mm. Took some work to get 4 mechanisms to all fit and function, proud of how it turned out :](https://i.redd.it/pwejcg5nl2651.jpg)
Just finished making this custom Rotring Quattro pencil w/ .3mm, .5mm & 2x .7mm. Took some work to get 4 mechanisms to all fit and function, proud of how it turned out :
![Amazon.com : rOtring Multi-Pen Mechanical Pencil Unit Replacement for 4 in 1 and Trio (R500 895) : Office Products Amazon.com : rOtring Multi-Pen Mechanical Pencil Unit Replacement for 4 in 1 and Trio (R500 895) : Office Products](https://m.media-amazon.com/images/I/61NXmMuME3L._AC_UF894,1000_QL80_.jpg)
Amazon.com : rOtring Multi-Pen Mechanical Pencil Unit Replacement for 4 in 1 and Trio (R500 895) : Office Products
![Amazon.com : Rotring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black/Red/Blue Ballpoint Pen in Triangle Package (502-700F) : Office Products Amazon.com : Rotring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black/Red/Blue Ballpoint Pen in Triangle Package (502-700F) : Office Products](https://m.media-amazon.com/images/I/61bYGSwmeGL.jpg)