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I was reading the Wonder Pens blog, as I do frequently, and browsing their website, when I decided I needed to try the new TWSBI Eco. I’ve been interested in TWSBI for awhile, reading about them online and seeing video reviews of the various models. They sounded interesting but were a little pricey. I haven’t seen them at my local pen shop and I don’t know anyone who owns one, so I was hesitant to take the plunge. Until I saw the new Eco model on the Wonder Pens site.

“Eco” stands for Economical, and it is the cheapest model on offer from TWSBI. From the reviews I know they have modified the body to cut down on cost, but they haven’t touched the nib, which is fantastic. This model is available in two colors, white and black, and Wonder Pens has them forΒ $37 Cdn each. I ordered the medium nib but 5 sizes are available: Extra Fine, Fine, Medium, Broad, and 1.1 mm. It is a good size: 14 cm capped, 17 cm posted. And a good weight: 20 g. According to the TWSBI website this model is intended for the beginner and is a “good, everyday worker.”


It’s a striking pen; I like the demonstrator feel, and the piston filling system means you can really load it up with ink. I hadn’t tried a piston filler before so I was excited to try it out. I tried to fill it up completely three times but was unsuccessful, not sure why. But it holds so much ink that I didn’t really mind. I inked it up with Waterman Tender Purple.


The writing experience was very pleasant. The nib is beyond smooth, especially on the Rhodia paper shown above. No skips or hard starts and the pen started writing immediately after filling. I’ve been using it now for about two weeks with no issues.


Here’s a closeup of the nib and feed, with the distinctive TWSBI logo.

I forgot to take a photo of the packaging but it comes in a plastic box that can be re-used as a pencil box. It also comes with the iconic TWSBI wrench and the world’s tiniest bottle of silicon grease. In other models, so I’ve read, the wrench is stainless steel; the Eco comes with a plastic one. It is used to completely disassemble the pen for cleaning. I have not done this yet but I believe there is a video by Brian Goulet for reference.

So that’s my new TWSBI Eco. I really love it and would recommend it without reservation. If any of you have one let me know what you think of it.