Metal Car - Kossel Metal Carriage for Vslot 2020

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I've now split this into four separate designs. Metalcar carriage for CNC - has an SVG file - note that the SVG is in mm per point. Metalcar carriage with stepper for CNC - has an SVG file - note that the SVG is in mm per point. Metalcar_PRT for 3D printing - has a STL file. Metalcar_stepper_PRT for 3D printing - has a STL file. I'm currently building a full metal Kossel 3D printer. I've already fabricated metal corners and want to make carriages and effectors out of metal. This is my current work in progress for the carriage, designed for three wheels from OpenBuilds and an eccentric spacer for tension. The carriage uses an iron cup and a rare earth magnet. The cup is threaded from the rear for an M3 screw. The upward rectangular section is designed for mounting a magnet or with tape to push a switch or flag for optical use. https://github.com/glennswest/metalcar How I Designed This OpenSCAD This design is done in OpenSCAD, then projected into 2D and exported as DXF and vector graphics. I plan to use Cambam and cut it on CNC. It can also be laser-cut. https://github.com/glennswest/metalcar BOM and Assembly Info BOM and Assembly One carriage consists of: Qty Description URL 3 Delrin V Wheel Kit http://openbuildspartstore.com/delrin-v-wheel-kit/ 1 Eccentric Spacer http://openbuildspartstore.com/eccentric-spacer/ 2 Magnetic Can Coming Soon from NCC 2 Magnets Coming Soon from NCC 2 M3 Screws For Mounting mag cups 2 M3 Grub Screws For Mounting Magnets You need three sets of the above for a Kossel printer.