The file 'Laser Cut Binary Marble Adding Machine' is (cdr) file type, size is 534.6KB.
This is based on the binary marble adding machine from this web site and is based on the plans from the site: http://woodgears.ca/marbleadd/
There is also a great YouTube video explaining how to use it: http://youtu.be/GcDshWmhF4A
It's a great way of teaching binary numbers and it is also a lot of fun to watch the marbles fall!
Binary_Counting_Machine_with_license.cdr | 563.0KB |