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da Vinci Bar, Construction Sticks, Dome, Bridge, Math

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3D model description

da Vinci Bars/Sticks for architectural or mathematical constructions. 80mm or 100mm by 6 mm by 6mm with 7 symmetrical notches.

They can be used for children to experiment with da Vinci domes or bridges, which could be as frustrating as eye-opening! Simple as they are, these sticks can be used to explore a variety of mathematical ideas. At times, team work is helpful or even required. As always, print a bunch and allow children to teach us adults how to make use of them. Or better yet, play with them!


3D printing settings






.1 to .2mm



Nothing special. Print a bunch and play. Don't give up easily and have fun!

How I Designed This
So easy to design. Sketch a rectangle, make some notches using patterns if you like, and then extrude. Use parameters to enrich the activity and allow easy manipulations later on. This could be used as an introductory design project.

3D printer file information

  • 3D design format: STL Folder details Close
    • DomeStickArray_100mm.stl
    • DomeStick_100mm.stl
    • domeStickArray80mm.stl
    • domeStick_80mm.stl

    Learn more about the formats

  • Publication date: 2017/12/26 at 19:26




STEAM educator, learning from and working with K-12 STEAM teachers to explore new ideas of teaching and engagement. I firmly believe ART is at the core of STEM learning or all human learning! I owe my ideas and designs to the hundreds of K-12 children and teachers and university professors I have had the pleasure of working with, in multiple disciplines-- math, science,engineering language arts, social studies, early childhood education and more! All mistakes, of course, are mine! There is no warranty or liability whatsoever implied or explicit behind the designs or ideas. They are all posted for their potential educational values.

When working with children, please strictly observe all safety and health procedures! Please refer to the NSTA safety guides:


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