Grasshopper - a Knex Ball Machine
by phrasmotica in Living > LEGO & K'NEX
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Grasshopper - a Knex Ball Machine
I used to make ball machines regularly between 2009-2012 but haven't really touched my Knex since then! This is my first build in a long time, and I'm very chuffed with how it turned out.
Supplies
Rods
- Green x853
- White x650
- Blue x874
- Yellow x452
- Red x152
- Tan x2
- Grey x41
- Pink Flexi x3
- Black Flexi x51
Connectors
- Grey x258
- Orange x181
- Light Grey x75
- Red x424
- Green x82
- Yellow x525
- Gold (tubing) x34
- White x76
- 3D Blue x289
- 3D Purple x476
Gears & Wheels
- Blue x2
- Red x10
- Worm x1
- Yellow (medium) x2
- Yellow (large) x1
- Wheels x6
- Tyres x3
Others
- Chain links x26
- Hinges x20
- Blue spacer x154
- Silver spacer x149
- Tubing x8
- Y-clips x89
- Locking clips x27
- Blue clips x17
- Tubing clips x291
- Tubing splice x1
- 12v motor x1
- Balls x5
Total: 6,319 pieces
Video
A video of the machine is available on YouTube: https://www.youtube.com/watch?v=u-1YwqTP0sQ
And you can visit my website for the "director's cut": https://julianssecretdomain.com/knex-machines.html
Miscellaneous Images
Path Separator Images
Some close-up images of the four-way path separator at the top of the machine.
Adapted from Bezempje95's Infinite Switch, which can be seen here: https://www.instructables.com/The-official-guide-to-knex-ball-machine-path-separ/