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 :
Chromed Steel 4 color Rotring quattro multi BALLPOINT PEN 1970s DESIGN Classic | eBay
Vintage Rotring Quattro 4-Function Pen, Gunmetal Grey
Rotring Quattro Multi Pen Black w/refills Used | #19397461
Discontinued Rotring Artos Quattro Multi-Pen (Blue) | eBay
Rotring ARTOS Quattro 0.7 Pencil Ballpoint Pen Red Ring - Etsy
Amazon.com: rOtring Trio Ballpoint Pen with 0.5mm Mechanical Pencil, Black Body (SO502710)
You Can't Go Home Again: the New rOtring 600 3 in 1 Multipen — Penquisition
Rotring Quattro Executive Stylus Review - The Gadgeteer
Rotring Quattro 4 in 1 Multi pen (Black, Red, Blue Ballpoint pen with Pencil) – Manga Arts and Comic Art Gear
Rotring Quattro Pen in Matte Black (black, 0.5 mm, highlighter, Input) R 503 701 | eBay
Rotring "Quattro" Multipen - Black - New with box | eBay
Knurled grip TITANIUM ROTRING quattro pen 3 color ballpoint + 0.5 mm pencil | eBay
633 Rotring Multi-Function Pen 2+1 NOS in box Made in Germany or Japan | eBay
rOtring | Other | Rotring Quattropen Multipen | Poshmark
Amazon.com : rOtring Multi-Pen Mechanical Pencil Unit Replacement for 4 in 1 and Trio (R500 895) : Office Products
rOtring 4in1 Multi-pen 1904455 BP, Bk/Re/Bl Mp, 0.5mm from Japan w/Tracking | eBay
Chromed Steel 4 color Rotring quattro multi BALLPOINT PEN 1970s DESIGN Classic | eBay
Rotring Quattro Executive Chrome Multipen - Black and Red Ballpoints, 0.5 Pencil Orange Hiliter-Montgomery Pens Fountain Pen Store 212 420 1312
Rotring Quattro Executive Multi-pen | Unsharpen
Vintage Rotring Quattro 4-Function Pen, Gunmetal Grey
Vintage Rotring Quattro 4-Function Pen, Gunmetal Grey
Rotring 600 Trio pen review - YouTube
