This is a remix of my 1010 double screw rail. This one fits to the commonly available 2040 from openbuilds.com

For more information on how to assemble and what parts to get check out https://www.instructables.com/id/Linear-Screw-Double-Rail/

If you like what you see and wish to download, please consider pushing the Tip Designer Button. If you want to see more coming your way, consider supporting me though https://www.patreon.com/Core3d_tech

Parts used:
Flexible Shaft Couplings 5mm to 8mm http://amzn.to/2pjQYRh
2-Pack - Linear Motion Rod 8 mm x 406mm Shaft http://amzn.to/2pjRjDx
micro switch http://amzn.to/2pjRwXl
2040 (8020 inc.) http://amzn.to/2FU4x0U
nema 17 1.7A (5 pack) http://amzn.to/2pkLma5
SCS8UU Linear Motion Ball Bearing http://amzn.to/2IysVGP
m4 8mm http://amzn.to/2FU4bHC
m3 10mm http://amzn.to/2pjS1kb
Lead screw http://amzn.to/2G1Mysn http://amzn.to/2l7z69V

Used Models:
https://grabcad.com/library/pillowblock-8mm-sc8uu-1
https://grabcad.com/library/endstop-microswitch-1a-125vac-design-by-makerbot-1
https://grabcad.com/library/coupler-5mm-to-8mm-1