Fraction Bars (with fractions written on top surface)
thingiverse
I created a set of bars for my wife's school to teach fractions. Each bar features the size in raised text. The set includes: Whole, Half, One Third, One Quarter, One Fifth, One Sixth, One Eighth, and One Tenth. Each bar is 15mm high, 2mm thick (plus an extra millimeter for the text), and ranges from 15 to 150mm in length. I printed the bars at a layer height of 0.2mm with three solid top and bottom layers, as well as three perimeter layers. The entire set weighs approximately 50 grams and took me 3 hours and 30 minutes to print.
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