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Martina Langseth Knutsen
Also known as Martina Knutsen, Nerdforge girl, Nerdforge Martina
Biography
About Martina Langseth Knutsen
Martina Langseth Knutsen is a Norwegian cosplayer and YouTuber who lost part of her finger in a 2019 table saw accident. She replaced it with a 3D-printed prosthetic finger that includes LEDs, a project that Hackster.io featured. The prosthetic was a personal creation and helped her keep making things.
With her partner Hansi, Martina runs the Nerdforge YouTube channel, where she works on elaborate DIY and pop culture projects. Her typical tools include 3D printers, LED strips, and hot glue guns. She is 30 or 31 years old and has a slim build. On Instagram, she has 56k followers, and her content shows the clever, hands-on builds she and Hansi create.
- BirthplaceNorway
- EthnicityCaucasian
- Instagram Followers56k (as of May 2026)
Frequently asked
What happened to her finger and how did she respond?
Martina lost part of a finger in a 2019 table saw accident during home renovations, and she replaced it with a 3D-printed prosthetic that features LEDs.
What kind of content does she create on Nerdforge?
On the Nerdforge YouTube channel she runs with her partner Hansi, she creates elaborate DIY and pop culture projects using tools like 3D printers, LEDs, and hot glue guns.
How did her prosthetic finger gain attention?
Her 3D-printed LED prosthetic finger was featured as a personal project on Hackster.io, an online platform for hardware and maker projects.
Did you know
- She lost part of a finger in a 2019 table saw accident and built a 3D-printed prosthetic with LEDs to replace it.
- Her prosthetic finger project was featured on Hackster.io.
- She teams up with her partner Hansi on the Nerdforge YouTube channel.
- She uses 3D printers, LEDs, and hot glue guns in her projects.
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