Building the Bottle cutter

A project log for PullStruder: from plastic bottle to PET filament

Ever wanted to use plastic bottle for 3d printing ? Here is how to !

JP GleyzesJP Gleyzes 05/01/2022 at 16:410 Comments

The bottle cutter was designed to propose a precise template to build it.

Building the cutter

You will need 

Drill the following holes into the pipe

Drill them so that you can tap them at 8mm  on the top face only.

You can use the 3d printable gauge to help positionning the holes and keeping the drill perpendicular.

The long rods go down to the other side and can be soldered to fix them. If you prefer you can make them longer and use nuts to fix on the bottom side.

Then, with a metal saw, cut a 8mm notch into the small "finger"

If needed you file or grind the top part of the threads so that the finger will not touch the bottom roller bearing (the one on the left).

This "finger" is positionned at the correct height and then blocked by the nut.

The rollers bearings will be first sharpened and then tuned so that :

Sharpening the roller bearings

To be writen !