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Tools & jigs
PTFE tube cutting jig for 4 mm tube
This is not a fixed STL. SpeakCAD generates the ptfe tube cutting jig for 4 mm tube to your millimetres, you adjust it in the chat, then you download and print it.Building the 3D preview…
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Adjust
Click a part and change its numbers in the viewer, or ask the AI in the chat: wall thickness, hole size, the thing it clips onto. AI changes use plan credits.3Print
Download a watertight STL or 3MF with a Maker or Pro plan, drop it in your slicer, and print it. Small fit fixes re-download free.
Get it nowOpening the ready-made model is free. A plan covers AI changes and the download.
Example prompt
Model a PTFE cutting jig, 4.1 mm tube channel, 0.6 mm razor slot at 90 degrees, stops at 10, 20 and 40 mm.
What a ptfe tube cutting jig for 4 mm tube is
A cutting jig that gives square ends on 4 mm OD PTFE tubes, for Bowden printers, AMS and CFS tubes, and hotend heatbreaks where a crooked cut causes jams. The tube goes in a 4.1 mm channel, a 0.6 mm slot guides a razor blade at 90 degrees, and a stop at 10, 20 or 40 mm sets the length. Print in PETG, flat, 100% infill around the slot.
Capricorn tubes have the same 4 mm OD, but a 6 mm tube for some extruders will not fit. Open the jig in SpeakCAD for free, change the stop lengths in the viewer or the chat, then download the STL.
People also search
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Questions people ask about a ptfe tube cutting jig for 4 mm tube
A cutting jig that gives square ends on 4 mm OD PTFE tubes, for Bowden printers, AMS and CFS tubes, and hotend heatbreaks where a crooked cut causes jams. The tube goes in a 4.1 mm channel, a 0.6 mm slot guides a razor blade at 90 degrees, and a stop at 10, 20 or 40 mm sets the length. Print in PETG, flat, 100% infill around the slot.
Click Get it now on this page and sign in: you can open the ready-made model for free, and the example prompt is filled in if you want the AI to redesign it. The model renders in your browser, nothing to install. Change any millimetre in the viewer or the chat (AI changes use plan credits), then export a watertight STL or 3MF with a Maker or Pro plan when you want to print.
Start from this working example and replace any number with what you measured: Model a PTFE cutting jig, 4.1 mm tube channel, 0.6 mm razor slot at 90 degrees, stops at 10, 20 and 40 mm.
Capricorn tubes have the same 4 mm OD, but a 6 mm tube for some extruders will not fit. In SpeakCAD you open the ready-made model for free, change it to your measurements, then download a file sized for the part you actually own.
No. SpeakCAD runs entirely in the browser: the chat, the 3D engine and the live viewer load in the tab. The only file you download is the finished STL or 3MF.
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