Prusa Mk2/s Vinyl Cutter Drag Knife Holder
prusaprinters
<p>I wanted a drag knife mount that was sturdier than the fan mounted ones available.</p><p>Fits an i3 mk2/s</p><p>I printed mine in ABS at 20% infill 0.2 layer height but PETG would probably work fine as well.</p><p>I used this drag knife</p><p><a href="https://www.amazon.ca/YaeTek-Tungsten-Lettering-Compatible-Replacement/dp/B07RXXR53G?crid=1LUVA0SV15ZMY&keywords=drag+knife&qid=1651804780&sprefix=drag+knife%2Caps%2C162&sr=8-9&linkCode=ll1&tag=thingiverse09-20&linkId=5c51eda29cb6c7283e5e7e11ae0af900&language=en_CA&ref_=as_li_ss_tl">https://www.amazon.ca/YaeTek-Tungsten-Lettering-Compatible-Replacement/dp/B07RXXR53G?crid=1LUVA0SV15ZMY&keywords=drag+knife&qid=1651804780&sprefix=drag+knife%2Caps%2C162&sr=8-9&linkCode=ll1&tag=brettdesigns-20&linkId=5c51eda29cb6c7283e5e7e11ae0af900&language=en_CA&ref_=as_li_ss_tl</a></p><p>and you'll need something to protect your bed.</p><p><a href="https://www.amazon.ca/OLFA-1136545-RM-6x8-Cutting-Navy/dp/B07RJG794S?crid=2MKAIM1JPHJYZ&keywords=small+8%22x8%22+cutting+mat&qid=1651805039&sprefix=small+8+x8+cutting+mat%2Caps%2C187&sr=8-5&linkCode=ll1&tag=thingiverse09-20&linkId=3b03638ea0790c42b4622eb53ce168bf&language=en_CA&ref_=as_li_ss_tl">https://www.amazon.ca/OLFA-1136545-RM-6x8-Cutting-Navy/dp/B07RJG794S?crid=2MKAIM1JPHJYZ&keywords=small+8%22x8%22+cutting+mat&qid=1651805039&sprefix=small+8+x8+cutting+mat%2Caps%2C187&sr=8-5&linkCode=ll1&tag=brettdesigns-20&linkId=3b03638ea0790c42b4622eb53ce168bf&language=en_CA&ref_=as_li_ss_tl</a></p><p>As for generating the gcode there are multiple methods online but what I found the easiest was to model a 1 layer thick model in fusion then slice it with prusa slicer. You'll need to turn on Detect Thin Walls, increase Lift Z height and turn off heat, bed leveling, skirts, etc.</p><p>Then I manually edited the gcode to get it cutting how I liked. G92 can be used to set your tool offset. Take it slow and be careful not to run the knife into your bed. It works pretty well for material up to 1/32" thick. Good Luck!</p>
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