Use 3/8"th Rod and Acme Nut on PB Simple 1405

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This is a replacement for Part 1115 on the Printrbot Simple 1405 Maker's Edition. Printrbot sells the 11" x 3/8" Acme Rod, Acme Nut and 5mm to 3/8" inch Coupler for larger Printrbot Models that can be used on your Simple Makers Edition printer. This part requires you to pause the print when the nut cavity is tall enough to accept the 3/8" acme nut. Pause the printer, press the nut firmly into the bottom of the cavity and continue printing immediately. The nut will then embed/seal the part inside the modified Part 1115. I printed this replacement part using a 0.4mm nozzle set for 0.2mm filament height with only two perimeters to monitor. Review the gcode preview of your print software carefully to ensure you pause the print before it closes the embedded area. This is a precise fit, so there's no backlash from the nut shifting. To press the nut into place, thread it onto the end of the z rod before installing and use the 3/8" z rod to press it firmly into position. Remove the rod and continue printing as usual.