Contraptor - linear rail by albanetc

Description

This thing is a part of Contraptor - a DIY open source construction set for building Cartesian robots: contraptor.org

Linear rail comes in several lengths: 6", 12", 18", 24" etc. Attached DXF file and part list are for 12" long linear rail.

The rail can be attached to perforated angle, channel or T-slot profile, such as 80/20 Fractional 10 series. A pair of rails and at least a pair of linear bearings thingiverse.com/thing:1075 are needed to make a complete linear stage.

Sketchup source:
sketchup.google.com/3dwarehouse/search?q=contraptor+linear-rail

Instructions

Linear rail is assembled from perforated aluminum channel and a pair of 1/4" drill rods, placed on square nuts and held by flat head screws. Perforated aluminum channel can be made in a way similar to that of perforated angle.

Detailed howto: contraptor.org/make-linear-rail