20 Second Hourglass
prusaprinters
<p>The best way to protect yourself against COVID-19 is frequent hand-washing. Washing your hands for as long as 20 second.<br/> This is an hourglass that counts twenty seconds for you.</p> <p>Direction to use:</p> <p>After printing the parts fill the cap twice (up to the line inside the cap), with salt or sand or similar particles (preferably colored ones ) and pour it inside the hourglass.<br/> Put the cap on the hourglass and you're done!</p> <h3>Print instructions</h3><p>It's best to print this with SLA printers, but I have printed it with my PRUSA MK3S (FFF) and the print is fine.<br/> No supports required.</p>
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