About this 3D model

A direct drive extruder based on a single printed part. This extruder is part of the StrongPrint the Metal 3D printer http://www.thingiverse.com/thing:329498 Designed in OpenScad to: - Be compact & provide a good drive of the wire. - Be parametric for different wire diameters. - Be parametric for drive wheel diameter. - Be extremely easy to implement - Use the flexibility of the plastic. - Have a good hold of the wire & to be able to handle flexible wire Exemple given is for: - 1.75mm wire & 0.6mm steel wire - MK7 drive gear 11mm diam - 608 Bearing from rollerblades with M8 screw Print with 3 outside layers, 15% fill ratio & supports Made in Fablab Artilect: https://artilect.fr/