Yarn Holder and Cutter - for Knitting Machine or CSM

Yarn Holder and Cutter for knitting machine yarn mast

This is a yarn holder and cutter that attaches to your knitting machine or CSM yarn mast!

It can hold the yarn to keep it out of the way and/or cut it off using a fast one-handed motion.

The blades are hidden in the holder, so you can't cut yourself.

Edit 2026-02-02: Added a few more versions from 10.5mm to 15mm.

Parts - cutter blade

If you want to use not just the holder but also the cutter, you need one or two pieces of snap-off cutter blade. The blades I used are very common and have a width of 9mm.

You can slide the blades in place and fix them with a piece of glue. I made sure to angle them outwards because that's the direction you tend to pull the yarn in.

Printing

You can print the part for yarn masts in several sizes:

• 5 mm

• 5.5 mm

• 6 mm -- Singer/Superba

• 6.35 mm (1/4 inch) -- JeepingJohnny v2

• 6.5 mm

• 7 mm

• 7.5 mm

• 8 mm -- Some remixes of JeepingJohnny v2 

• 8.5 mm

• 9 mm

• 9.5 mm

• 10 mm

I used .16mm layer height.

Modifications

Let me know if you need other sizes! I wasn't able to find out which size the SilverReed or Brother machines typically use, but I'm happy to upload new versions.

This is an OpenSCAD model, so you can change the dimensions of the holder if you like. It uses the BOSL2 library, so you'll need to install this as well to change the parameters.