Grabcad

=== Knive grinder reverse engineered ===
* https://drive.google.com/file/d/0B_CjXV72cuE_UDc2eUh0YmwzakE/view
* https://www.youtube.com/watch?v=ZAnhqDf-l2c 
* https://grabcad.com/library/handheld-grinder-reverse-engineering-model-1
* https://grabcad.com/library/upgrade-to-handheld-grinder-5-items-1 Upgraded version 
* https://www.youtube.com/watch?v=ZSi8LJIIYFU 
* https://drive.google.com/file/d/0B_CjXV72cuE_NDlfVjBzSTQtRmc/view
=== cnc ===
https://grabcad.com/library/z-axis-spindle-v0-15-1 z axis spindle
https://grabcad.com/library/jigs-4
https://grabcad.com/library/cnc-lathe-9
https://grabcad.com/library/mill-machine-cnc-for-table-1
=== worm gear ===
https://grabcad.com/library/worm-gear-reducer-6
https://grabcad.com/library/multistage-reducer-visestepeni-reduktor-1 worm bevel gear reducer solid files
=== planetary ===
https://grabcad.com/library/planetary-gear-box-3 
https://grabcad.com/library/three-stage-planetary-gearbox-with-two-output-shafts-amination-tutorial-1 solid files 
https://grabcad.com/library/worm-dual-planetary-gear-unit-with-a-capacity-of-60-kw-type-rcpg-2 planet worm gear combo esigned to power the chassis of the rotary excavator in coal mines . Analytical calculations of all gear and worm gears are made with Kisssoft gear design software. For 3D Designing and 2D drafting drawings are used Autodesk Mechanical Desktop and Solid Works
=== Grinder ===
https://grabcad.com/library/upgrade-to-handheld-grinder-5-items-1 hand held grinder.
https://grabcad.com/library/v-belt-grinder
=== mechanisms ===
https://www.youtube.com/user/thang010146 200 short clips on various mechanisms
=== links ===
Solid Edge
Category:Cad cam
Category:Grabcad.com
Category:Machine design
Category:Gears planetary