Skip to main content

Site Navigation

Your Account

Choose Language

Editing Step 1 —

Step Type:

Drag to rearrange

You will need the following tools:

PTFE cutting jig. If you are building the Bear extruder use the one included with the printed parts. If you are cutting a PTFE tube for another extruder, check our files here:

Box cutter with a blade thickness of approximately 0.4 mm. Verify that the blade can be fully inserted in each of the jig's slits.

60° countersink.

Unused PTFE tube of at least 100mm.

Prusa specifications for PTFE tubes : How to trim PTFE tube - Original Prusa i3 printers

Always be very careful when using a box cutter, you could inflict serious injury to yourself. Take your time and wear protective gloves if necessary.

Your contributions are licensed under the open source Creative Commons license.