Tag Archives: retraction

Two Voronoi cats

Posted on October 23, 2016 by janpenguin

(10/28/2016) I used Meshmixer to add manual support. The Voronoi cat model took two hours and thirty minutes. Slic3r 1.2.9 to generate a gcode file without support. Filament: eSun PLA+ 1.75 mm Temperaure: 185 C Printing speed: 25 mm/s (Perimeters) … Continue reading →

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Steel Fisher – retraction calibration

Posted on October 19, 2016 by janpenguin

I was printing a big model that has heavy support. It had a lot of retraction and during the printing, the nozzle hit a piece, dislocated, then spewing filament in the air. Two hours and 46 minutes of work wasted. … Continue reading →

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Good retraction is key of high quality printing in Reprap 3D Printer.

Posted on March 29, 2016 by janpenguin

I built a Greg’s Wade’s Geared Extruder for Metal Fisher.  The original extruder of Metal Fisher uses a Nema 17 stepper motor which is not enough torque to overcome the internal friction inside Bowden and hotend while in printing. When … Continue reading →

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Bulbul Junior 3D Printer reborn

Posted on March 15, 2016 by janpenguin

Parts I replaced / modified: Six end stop switches: The original end stop switch didn’t have strong power, created many headaches. Print bed holders: The original parts were kind of jokes to me, unreliable and insecure. The glass bed often … Continue reading →

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RepRapPro Fisher – 4

Posted on August 10, 2015 by janpenguin

I figured it out why the shortage of filament extrusion last night finally. The right amount of force against filament at the geared shaft and idler bearing requires to provide good retraction. Extruding filament after specified length of filament retraction, … Continue reading →

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New effector design

Posted on May 23, 2015 by janpenguin

I’ve been designing new effector for Bulbul Junior. – Expose only heater and nozzle below the effector plate – Use steel ball joints – Use 40x40x10 fan instead stock 30x30x10 fan of E3D V6 Hotend (The reason is 30x30x10 fan … Continue reading →

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