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Step 17Prepare Tic-Tac Ruler
Buy a good quality 12 inch wooden ruler, look for a ruler with nearly rectangular cross-section; beveled edges compromise the clamps ability to firmly hold the ruler.
Attach two boxes of Tic-Tacs to either end of the ruler using 4-40 machine screws half-inch long along with nuts, flat washers, and lock washers, see photos. Cutting down the Tic-Tac tops as shown with reduce likelihood of Tic-Tacs jamming together as the robot tilts the ruler rapidly back and forth.
Attach two boxes of Tic-Tacs to either end of the ruler using 4-40 machine screws half-inch long along with nuts, flat washers, and lock washers, see photos. Cutting down the Tic-Tac tops as shown with reduce likelihood of Tic-Tacs jamming together as the robot tilts the ruler rapidly back and forth.
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