
3/4" Crossette Trimmer (Wolter pump)
thingiverse
Trimmer tool for 3/4" crossettes. The blade slot is designed for a tight fit on the stainless steel core of an old metal credit card, but will also work with a .009 single-edged razor blade. If using a steel razor blade, be aware that steel tools can spark.Make sure to fix the blade at a depth just shy of touching the outside edge of your pump to prevent wear on your tooling!This tool is a riff on Tom R's sketch presented at the WPA rocket seminar.
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