Ender 3 Pro Pen Plotter with auto load
Description
a design making an Ender 3 Pro printer into a pen plotter. This design has 3 parts, the pen boot to hold the drawing tool, the cradle to hold the boot when not being used, and the Holder that mounts next to the metal fan cover, and holds the boot when drawing. The boot has a weighted top peace to hold the pen down (additional metal washers can be used for additional pressure). Several variations of the boot are included to accommodate different pen types ( I even used a pen with a push button light tip to level the bed). The Holder uses the left and top existing fan cover screws to hold it in place. The cradle slides into the top rail V slit and rest on the left upright post. for loading the pen while printing in order to add color or add ink to the inside of your object, or just want your printer to do the work, add at the beginning of your G code these lines: ; pen load G28 ; Home all axes G92 E0 ; Reset Extruder G1 F600 E-7.5 ;retract filament G1 F1200 X25 Z60 ; move pen holder under cradle, adjust to fit your location G1 F600 Z178 ; move to pick up pen, YOU MAY NEED TO ADJUST THES Z VALUE G1 X75 ; move picked up pen to clear cradle G1 Z60 ; move down to clear cradle ; end of pen load And to the end add these lines ; pen unload G1 F1300 X1 Y215 ;present part G1 F1200 Z60 ; clear part G92 E0 ; Reset Extruder G1 F300 E7 ; put filament back in place G1 F1200 X75 ; move pen to clear cradle location G1 F600 Z178 ; move pen up to cradle height, YOU MAY NEED TO ADJUST THES Z VALUE G1 X25 ; move carriage to cradle drop position, adjust to fit your location G1 Z60 ; move to drop off pen ; end of pen unload Currently working on using conductive ink pens with this configuration and looking for more input, Thanks to all the other pen plotter designs from this site I have used for inspiration 4559133, 3911872, 4574948, 3843810, and several more too numerous to count.
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