About this 3D model

Drive gear gear use of Twill Knurled.Guide rollers grooved bearing use. (625ZZ Groove type) Slip of the filament is minimized, by the feed groove of the bearing also stable. Since the data model is a sample, please refer to the photograph. Performance is origami used in micro-layer printed with CoreCubeSAKURA. http://ichibey.exblog.jp/19696886/ Print Samplehttp://www.thingiverse.com/make:65124http://www.thingiverse.com/make:64717http://www.thingiverse.com/make:64650http://www.thingiverse.com/make:64574http://www.thingiverse.com/make:64500http://www.thingiverse.com/make:64498 ichi-shiki Extruder Small type test movie (NEMA11 motor used)https://www.youtube.com/watch?v=dkIkZPoDTqg ichi-shiki Extruder Small type and original all metal hotend test moviehttps://www.youtube.com/watch?v=SrF0dLFth_Q