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#backtoschool Trig Ruler
by Imadethat3d
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Foldable ruler which holds a pencil and has a pencil topper with useful trigonometry formula. The ruler folds out to a 46cm length, it also pivots to a shape to demonstrate the commonly used trigonometry terminology and definitions.
designed by I Made That, www.imadethat3d.com
#backtoschool
designed by I Made That, www.imadethat3d.com
#backtoschool
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